Home / 5,047.71-7,562.15-3,657.65

Finding the Fourth Proportional to 5,047.71, 7,562.15 and 3,657.65

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Solution

The fourth proportional to 5,047.71, 7,562.15 and 3,657.65 is: 5,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.71 : 7,562.15 = 3,657.65 : x
  2. Step 2: Convert to fraction form
    5,047.71/7,562.15 = 3,657.65/x
  3. Step 3: Cross multiply
    5,047.71x = 7,562.15 × 3,657.65
  4. Step 4: Simplify right side
    5,047.71x = 27,659,697.95
  5. Step 5: Solve for x
    x = 27,659,697.95/5,047.71
  6. Step 6: Final answer
    x = 5,479.65

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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.