Home / 6,511.57-8,987.36-4,245.74

Finding the Fourth Proportional to 6,511.57, 8,987.36 and 4,245.74

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Solution

The fourth proportional to 6,511.57, 8,987.36 and 4,245.74 is: 5,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.57 : 8,987.36 = 4,245.74 : x
  2. Step 2: Convert to fraction form
    6,511.57/8,987.36 = 4,245.74/x
  3. Step 3: Cross multiply
    6,511.57x = 8,987.36 × 4,245.74
  4. Step 4: Simplify right side
    6,511.57x = 38,157,993.85
  5. Step 5: Solve for x
    x = 38,157,993.85/6,511.57
  6. Step 6: Final answer
    x = 5,860.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.