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Finding the Fourth Proportional to 6,445.96, 8,895.65 and 6,150.71

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Solution

The fourth proportional to 6,445.96, 8,895.65 and 6,150.71 is: 8,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.96 : 8,895.65 = 6,150.71 : x
  2. Step 2: Convert to fraction form
    6,445.96/8,895.65 = 6,150.71/x
  3. Step 3: Cross multiply
    6,445.96x = 8,895.65 × 6,150.71
  4. Step 4: Simplify right side
    6,445.96x = 54,714,554.90
  5. Step 5: Solve for x
    x = 54,714,554.90/6,445.96
  6. Step 6: Final answer
    x = 8,488.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.