Home / 8,431.04-11,635.01-4,654.19

Finding the Fourth Proportional to 8,431.04, 11,635.01 and 4,654.19

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Solution

The fourth proportional to 8,431.04, 11,635.01 and 4,654.19 is: 6,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.04 : 11,635.01 = 4,654.19 : x
  2. Step 2: Convert to fraction form
    8,431.04/11,635.01 = 4,654.19/x
  3. Step 3: Cross multiply
    8,431.04x = 11,635.01 × 4,654.19
  4. Step 4: Simplify right side
    8,431.04x = 54,151,570.46
  5. Step 5: Solve for x
    x = 54,151,570.46/8,431.04
  6. Step 6: Final answer
    x = 6,422.88

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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.