Home / 5,625.52-8,438.28-1,931.92

Finding the Fourth Proportional to 5,625.52, 8,438.28 and 1,931.92

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Solution

The fourth proportional to 5,625.52, 8,438.28 and 1,931.92 is: 2,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.52 : 8,438.28 = 1,931.92 : x
  2. Step 2: Convert to fraction form
    5,625.52/8,438.28 = 1,931.92/x
  3. Step 3: Cross multiply
    5,625.52x = 8,438.28 × 1,931.92
  4. Step 4: Simplify right side
    5,625.52x = 16,302,081.90
  5. Step 5: Solve for x
    x = 16,302,081.90/5,625.52
  6. Step 6: Final answer
    x = 2,897.88

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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.