Home / 8,269.08-12,403.45-2,425.56

Finding the Fourth Proportional to 8,269.08, 12,403.45 and 2,425.56

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Solution

The fourth proportional to 8,269.08, 12,403.45 and 2,425.56 is: 3,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.08 : 12,403.45 = 2,425.56 : x
  2. Step 2: Convert to fraction form
    8,269.08/12,403.45 = 2,425.56/x
  3. Step 3: Cross multiply
    8,269.08x = 12,403.45 × 2,425.56
  4. Step 4: Simplify right side
    8,269.08x = 30,085,312.18
  5. Step 5: Solve for x
    x = 30,085,312.18/8,269.08
  6. Step 6: Final answer
    x = 3,638.29

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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.