Home / 8,524.28-12,784.40-3,841.40

Finding the Fourth Proportional to 8,524.28, 12,784.40 and 3,841.40

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Solution

The fourth proportional to 8,524.28, 12,784.40 and 3,841.40 is: 5,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.28 : 12,784.40 = 3,841.40 : x
  2. Step 2: Convert to fraction form
    8,524.28/12,784.40 = 3,841.40/x
  3. Step 3: Cross multiply
    8,524.28x = 12,784.40 × 3,841.40
  4. Step 4: Simplify right side
    8,524.28x = 49,109,994.16
  5. Step 5: Solve for x
    x = 49,109,994.16/8,524.28
  6. Step 6: Final answer
    x = 5,761.19

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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.