Home / 6,143.85-9,215.78-1,761.35

Finding the Fourth Proportional to 6,143.85, 9,215.78 and 1,761.35

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Solution

The fourth proportional to 6,143.85, 9,215.78 and 1,761.35 is: 2,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.85 : 9,215.78 = 1,761.35 : x
  2. Step 2: Convert to fraction form
    6,143.85/9,215.78 = 1,761.35/x
  3. Step 3: Cross multiply
    6,143.85x = 9,215.78 × 1,761.35
  4. Step 4: Simplify right side
    6,143.85x = 16,232,159.22
  5. Step 5: Solve for x
    x = 16,232,159.22/6,143.85
  6. Step 6: Final answer
    x = 2,642.02

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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.