Home / 8,458.11-12,689.19-2,614.32

Finding the Fourth Proportional to 8,458.11, 12,689.19 and 2,614.32

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Solution

The fourth proportional to 8,458.11, 12,689.19 and 2,614.32 is: 3,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.11 : 12,689.19 = 2,614.32 : x
  2. Step 2: Convert to fraction form
    8,458.11/12,689.19 = 2,614.32/x
  3. Step 3: Cross multiply
    8,458.11x = 12,689.19 × 2,614.32
  4. Step 4: Simplify right side
    8,458.11x = 33,173,603.20
  5. Step 5: Solve for x
    x = 33,173,603.20/8,458.11
  6. Step 6: Final answer
    x = 3,922.11

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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.