Home / 8,781.24-13,172.58-4,398.60

Finding the Fourth Proportional to 8,781.24, 13,172.58 and 4,398.60

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Solution

The fourth proportional to 8,781.24, 13,172.58 and 4,398.60 is: 6,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.24 : 13,172.58 = 4,398.60 : x
  2. Step 2: Convert to fraction form
    8,781.24/13,172.58 = 4,398.60/x
  3. Step 3: Cross multiply
    8,781.24x = 13,172.58 × 4,398.60
  4. Step 4: Simplify right side
    8,781.24x = 57,940,910.39
  5. Step 5: Solve for x
    x = 57,940,910.39/8,781.24
  6. Step 6: Final answer
    x = 6,598.26

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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.