Home / 8,190.04-11,301.90-4,654.12

Finding the Fourth Proportional to 8,190.04, 11,301.90 and 4,654.12

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Solution

The fourth proportional to 8,190.04, 11,301.90 and 4,654.12 is: 6,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.04 : 11,301.90 = 4,654.12 : x
  2. Step 2: Convert to fraction form
    8,190.04/11,301.90 = 4,654.12/x
  3. Step 3: Cross multiply
    8,190.04x = 11,301.90 × 4,654.12
  4. Step 4: Simplify right side
    8,190.04x = 52,600,398.83
  5. Step 5: Solve for x
    x = 52,600,398.83/8,190.04
  6. Step 6: Final answer
    x = 6,422.48

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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.