Home / 8,269.10-12,403.65-5,644.70

Finding the Fourth Proportional to 8,269.10, 12,403.65 and 5,644.70

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Solution

The fourth proportional to 8,269.10, 12,403.65 and 5,644.70 is: 8,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.10 : 12,403.65 = 5,644.70 : x
  2. Step 2: Convert to fraction form
    8,269.10/12,403.65 = 5,644.70/x
  3. Step 3: Cross multiply
    8,269.10x = 12,403.65 × 5,644.70
  4. Step 4: Simplify right side
    8,269.10x = 70,014,883.16
  5. Step 5: Solve for x
    x = 70,014,883.16/8,269.10
  6. Step 6: Final answer
    x = 8,467.05

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Similar ratio
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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.