Home / 5,654.12-7,801.97-3,415.61

Finding the Fourth Proportional to 5,654.12, 7,801.97 and 3,415.61

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Solution

The fourth proportional to 5,654.12, 7,801.97 and 3,415.61 is: 4,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.12 : 7,801.97 = 3,415.61 : x
  2. Step 2: Convert to fraction form
    5,654.12/7,801.97 = 3,415.61/x
  3. Step 3: Cross multiply
    5,654.12x = 7,801.97 × 3,415.61
  4. Step 4: Simplify right side
    5,654.12x = 26,648,430.66
  5. Step 5: Solve for x
    x = 26,648,430.66/5,654.12
  6. Step 6: Final answer
    x = 4,713.10

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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.