Home / 8,981.40-12,393.54-5,002.68

Finding the Fourth Proportional to 8,981.40, 12,393.54 and 5,002.68

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Solution

The fourth proportional to 8,981.40, 12,393.54 and 5,002.68 is: 6,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.40 : 12,393.54 = 5,002.68 : x
  2. Step 2: Convert to fraction form
    8,981.40/12,393.54 = 5,002.68/x
  3. Step 3: Cross multiply
    8,981.40x = 12,393.54 × 5,002.68
  4. Step 4: Simplify right side
    8,981.40x = 62,000,914.69
  5. Step 5: Solve for x
    x = 62,000,914.69/8,981.40
  6. Step 6: Final answer
    x = 6,903.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.