Home / 6,445.27-9,666.57-2,285.42

Finding the Fourth Proportional to 6,445.27, 9,666.57 and 2,285.42

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Solution

The fourth proportional to 6,445.27, 9,666.57 and 2,285.42 is: 3,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.27 : 9,666.57 = 2,285.42 : x
  2. Step 2: Convert to fraction form
    6,445.27/9,666.57 = 2,285.42/x
  3. Step 3: Cross multiply
    6,445.27x = 9,666.57 × 2,285.42
  4. Step 4: Simplify right side
    6,445.27x = 22,092,132.65
  5. Step 5: Solve for x
    x = 22,092,132.65/6,445.27
  6. Step 6: Final answer
    x = 3,427.65

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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.