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Finding the Fourth Proportional to 5,008.41, 7,510.17 and 1,720.62

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Solution

The fourth proportional to 5,008.41, 7,510.17 and 1,720.62 is: 2,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.41 : 7,510.17 = 1,720.62 : x
  2. Step 2: Convert to fraction form
    5,008.41/7,510.17 = 1,720.62/x
  3. Step 3: Cross multiply
    5,008.41x = 7,510.17 × 1,720.62
  4. Step 4: Simplify right side
    5,008.41x = 12,922,148.71
  5. Step 5: Solve for x
    x = 12,922,148.71/5,008.41
  6. Step 6: Final answer
    x = 2,580.09

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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.