Home / 5,124.30-7,693.65-3,180.30

Finding the Fourth Proportional to 5,124.30, 7,693.65 and 3,180.30

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Solution

The fourth proportional to 5,124.30, 7,693.65 and 3,180.30 is: 4,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.30 : 7,693.65 = 3,180.30 : x
  2. Step 2: Convert to fraction form
    5,124.30/7,693.65 = 3,180.30/x
  3. Step 3: Cross multiply
    5,124.30x = 7,693.65 × 3,180.30
  4. Step 4: Simplify right side
    5,124.30x = 24,468,115.10
  5. Step 5: Solve for x
    x = 24,468,115.10/5,124.30
  6. Step 6: Final answer
    x = 4,774.92

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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.