Home / 5,656.20-7,790.88-4,710.12

Finding the Fourth Proportional to 5,656.20, 7,790.88 and 4,710.12

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Solution

The fourth proportional to 5,656.20, 7,790.88 and 4,710.12 is: 6,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.20 : 7,790.88 = 4,710.12 : x
  2. Step 2: Convert to fraction form
    5,656.20/7,790.88 = 4,710.12/x
  3. Step 3: Cross multiply
    5,656.20x = 7,790.88 × 4,710.12
  4. Step 4: Simplify right side
    5,656.20x = 36,695,979.71
  5. Step 5: Solve for x
    x = 36,695,979.71/5,656.20
  6. Step 6: Final answer
    x = 6,487.74

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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.