Home / 8,455.39-12,685.28-2,532.40

Finding the Fourth Proportional to 8,455.39, 12,685.28 and 2,532.40

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Solution

The fourth proportional to 8,455.39, 12,685.28 and 2,532.40 is: 3,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.39 : 12,685.28 = 2,532.40 : x
  2. Step 2: Convert to fraction form
    8,455.39/12,685.28 = 2,532.40/x
  3. Step 3: Cross multiply
    8,455.39x = 12,685.28 × 2,532.40
  4. Step 4: Simplify right side
    8,455.39x = 32,124,158.70
  5. Step 5: Solve for x
    x = 32,124,158.70/8,455.39
  6. Step 6: Final answer
    x = 3,799.25

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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.