Home / 5,008.38-7,510.96-1,720.68

Finding the Fourth Proportional to 5,008.38, 7,510.96 and 1,720.68

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Solution

The fourth proportional to 5,008.38, 7,510.96 and 1,720.68 is: 2,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.38 : 7,510.96 = 1,720.68 : x
  2. Step 2: Convert to fraction form
    5,008.38/7,510.96 = 1,720.68/x
  3. Step 3: Cross multiply
    5,008.38x = 7,510.96 × 1,720.68
  4. Step 4: Simplify right side
    5,008.38x = 12,923,958.65
  5. Step 5: Solve for x
    x = 12,923,958.65/5,008.38
  6. Step 6: Final answer
    x = 2,580.47

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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.