Home / 4,757.12-6,565.32-2,988.80

Finding the Fourth Proportional to 4,757.12, 6,565.32 and 2,988.80

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Solution

The fourth proportional to 4,757.12, 6,565.32 and 2,988.80 is: 4,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.12 : 6,565.32 = 2,988.80 : x
  2. Step 2: Convert to fraction form
    4,757.12/6,565.32 = 2,988.80/x
  3. Step 3: Cross multiply
    4,757.12x = 6,565.32 × 2,988.80
  4. Step 4: Simplify right side
    4,757.12x = 19,622,428.42
  5. Step 5: Solve for x
    x = 19,622,428.42/4,757.12
  6. Step 6: Final answer
    x = 4,124.85

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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.