Home / 8,445.81-11,654.47-4,668.98

Finding the Fourth Proportional to 8,445.81, 11,654.47 and 4,668.98

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Solution

The fourth proportional to 8,445.81, 11,654.47 and 4,668.98 is: 6,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.81 : 11,654.47 = 4,668.98 : x
  2. Step 2: Convert to fraction form
    8,445.81/11,654.47 = 4,668.98/x
  3. Step 3: Cross multiply
    8,445.81x = 11,654.47 × 4,668.98
  4. Step 4: Simplify right side
    8,445.81x = 54,414,487.34
  5. Step 5: Solve for x
    x = 54,414,487.34/8,445.81
  6. Step 6: Final answer
    x = 6,442.78

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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.