Home / 8,532.08-12,788.92-4,139.76

Finding the Fourth Proportional to 8,532.08, 12,788.92 and 4,139.76

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Solution

The fourth proportional to 8,532.08, 12,788.92 and 4,139.76 is: 6,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.08 : 12,788.92 = 4,139.76 : x
  2. Step 2: Convert to fraction form
    8,532.08/12,788.92 = 4,139.76/x
  3. Step 3: Cross multiply
    8,532.08x = 12,788.92 × 4,139.76
  4. Step 4: Simplify right side
    8,532.08x = 52,943,059.46
  5. Step 5: Solve for x
    x = 52,943,059.46/8,532.08
  6. Step 6: Final answer
    x = 6,205.18

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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.