Home / 8,532.10-12,799.95-2,689.12

Finding the Fourth Proportional to 8,532.10, 12,799.95 and 2,689.12

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Solution

The fourth proportional to 8,532.10, 12,799.95 and 2,689.12 is: 4,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.10 : 12,799.95 = 2,689.12 : x
  2. Step 2: Convert to fraction form
    8,532.10/12,799.95 = 2,689.12/x
  3. Step 3: Cross multiply
    8,532.10x = 12,799.95 × 2,689.12
  4. Step 4: Simplify right side
    8,532.10x = 34,420,601.54
  5. Step 5: Solve for x
    x = 34,420,601.54/8,532.10
  6. Step 6: Final answer
    x = 4,034.25

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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.