Home / 8,689.38-13,029.36-3,064.23

Finding the Fourth Proportional to 8,689.38, 13,029.36 and 3,064.23

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Solution

The fourth proportional to 8,689.38, 13,029.36 and 3,064.23 is: 4,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.38 : 13,029.36 = 3,064.23 : x
  2. Step 2: Convert to fraction form
    8,689.38/13,029.36 = 3,064.23/x
  3. Step 3: Cross multiply
    8,689.38x = 13,029.36 × 3,064.23
  4. Step 4: Simplify right side
    8,689.38x = 39,924,944.30
  5. Step 5: Solve for x
    x = 39,924,944.30/8,689.38
  6. Step 6: Final answer
    x = 4,594.68

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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.