Home / 8,897.38-13,345.90-2,657.41

Finding the Fourth Proportional to 8,897.38, 13,345.90 and 2,657.41

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Solution

The fourth proportional to 8,897.38, 13,345.90 and 2,657.41 is: 3,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.38 : 13,345.90 = 2,657.41 : x
  2. Step 2: Convert to fraction form
    8,897.38/13,345.90 = 2,657.41/x
  3. Step 3: Cross multiply
    8,897.38x = 13,345.90 × 2,657.41
  4. Step 4: Simplify right side
    8,897.38x = 35,465,508.11
  5. Step 5: Solve for x
    x = 35,465,508.11/8,897.38
  6. Step 6: Final answer
    x = 3,986.06

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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.