Home / 9,031.68-12,459.52-5,493.76

Finding the Fourth Proportional to 9,031.68, 12,459.52 and 5,493.76

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Solution

The fourth proportional to 9,031.68, 12,459.52 and 5,493.76 is: 7,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.68 : 12,459.52 = 5,493.76 : x
  2. Step 2: Convert to fraction form
    9,031.68/12,459.52 = 5,493.76/x
  3. Step 3: Cross multiply
    9,031.68x = 12,459.52 × 5,493.76
  4. Step 4: Simplify right side
    9,031.68x = 68,449,612.60
  5. Step 5: Solve for x
    x = 68,449,612.60/9,031.68
  6. Step 6: Final answer
    x = 7,578.84

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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.