Home / 8,981.58-12,377.51-6,459.24

Finding the Fourth Proportional to 8,981.58, 12,377.51 and 6,459.24

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Solution

The fourth proportional to 8,981.58, 12,377.51 and 6,459.24 is: 8,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.58 : 12,377.51 = 6,459.24 : x
  2. Step 2: Convert to fraction form
    8,981.58/12,377.51 = 6,459.24/x
  3. Step 3: Cross multiply
    8,981.58x = 12,377.51 × 6,459.24
  4. Step 4: Simplify right side
    8,981.58x = 79,949,346.03
  5. Step 5: Solve for x
    x = 79,949,346.03/8,981.58
  6. Step 6: Final answer
    x = 8,901.48

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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.