Home / 8,247.29-12,369.61-2,402.53

Finding the Fourth Proportional to 8,247.29, 12,369.61 and 2,402.53

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Solution

The fourth proportional to 8,247.29, 12,369.61 and 2,402.53 is: 3,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.29 : 12,369.61 = 2,402.53 : x
  2. Step 2: Convert to fraction form
    8,247.29/12,369.61 = 2,402.53/x
  3. Step 3: Cross multiply
    8,247.29x = 12,369.61 × 2,402.53
  4. Step 4: Simplify right side
    8,247.29x = 29,718,331.19
  5. Step 5: Solve for x
    x = 29,718,331.19/8,247.29
  6. Step 6: Final answer
    x = 3,603.41

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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.