Home / 8,454.81-12,685.46-3,523.13

Finding the Fourth Proportional to 8,454.81, 12,685.46 and 3,523.13

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Solution

The fourth proportional to 8,454.81, 12,685.46 and 3,523.13 is: 5,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.81 : 12,685.46 = 3,523.13 : x
  2. Step 2: Convert to fraction form
    8,454.81/12,685.46 = 3,523.13/x
  3. Step 3: Cross multiply
    8,454.81x = 12,685.46 × 3,523.13
  4. Step 4: Simplify right side
    8,454.81x = 44,692,443.65
  5. Step 5: Solve for x
    x = 44,692,443.65/8,454.81
  6. Step 6: Final answer
    x = 5,286.04

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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.