Home / 4,143.24-6,215.32-1,511.55

Finding the Fourth Proportional to 4,143.24, 6,215.32 and 1,511.55

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Solution

The fourth proportional to 4,143.24, 6,215.32 and 1,511.55 is: 2,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.24 : 6,215.32 = 1,511.55 : x
  2. Step 2: Convert to fraction form
    4,143.24/6,215.32 = 1,511.55/x
  3. Step 3: Cross multiply
    4,143.24x = 6,215.32 × 1,511.55
  4. Step 4: Simplify right side
    4,143.24x = 9,394,759.39
  5. Step 5: Solve for x
    x = 9,394,759.39/4,143.24
  6. Step 6: Final answer
    x = 2,267.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,144.24, 6,216.82 and 1,512.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.