Home / 8,390.09-12,585.17-2,546.75

Finding the Fourth Proportional to 8,390.09, 12,585.17 and 2,546.75

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Solution

The fourth proportional to 8,390.09, 12,585.17 and 2,546.75 is: 3,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.09 : 12,585.17 = 2,546.75 : x
  2. Step 2: Convert to fraction form
    8,390.09/12,585.17 = 2,546.75/x
  3. Step 3: Cross multiply
    8,390.09x = 12,585.17 × 2,546.75
  4. Step 4: Simplify right side
    8,390.09x = 32,051,319.53
  5. Step 5: Solve for x
    x = 32,051,319.53/8,390.09
  6. Step 6: Final answer
    x = 3,820.14

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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.