Home / 5,614.31-7,747.76-3,376.21

Finding the Fourth Proportional to 5,614.31, 7,747.76 and 3,376.21

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Solution

The fourth proportional to 5,614.31, 7,747.76 and 3,376.21 is: 4,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.31 : 7,747.76 = 3,376.21 : x
  2. Step 2: Convert to fraction form
    5,614.31/7,747.76 = 3,376.21/x
  3. Step 3: Cross multiply
    5,614.31x = 7,747.76 × 3,376.21
  4. Step 4: Simplify right side
    5,614.31x = 26,158,047.91
  5. Step 5: Solve for x
    x = 26,158,047.91/5,614.31
  6. Step 6: Final answer
    x = 4,659.17

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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.