Home / 5,290.15-7,301.21-3,376.79

Finding the Fourth Proportional to 5,290.15, 7,301.21 and 3,376.79

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Solution

The fourth proportional to 5,290.15, 7,301.21 and 3,376.79 is: 4,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.15 : 7,301.21 = 3,376.79 : x
  2. Step 2: Convert to fraction form
    5,290.15/7,301.21 = 3,376.79/x
  3. Step 3: Cross multiply
    5,290.15x = 7,301.21 × 3,376.79
  4. Step 4: Simplify right side
    5,290.15x = 24,654,679.61
  5. Step 5: Solve for x
    x = 24,654,679.61/5,290.15
  6. Step 6: Final answer
    x = 4,660.49

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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.