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Finding the Fourth Proportional to 5,494.56, 7,576.92 and 3,602.40

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Solution

The fourth proportional to 5,494.56, 7,576.92 and 3,602.40 is: 4,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.56 : 7,576.92 = 3,602.40 : x
  2. Step 2: Convert to fraction form
    5,494.56/7,576.92 = 3,602.40/x
  3. Step 3: Cross multiply
    5,494.56x = 7,576.92 × 3,602.40
  4. Step 4: Simplify right side
    5,494.56x = 27,295,096.61
  5. Step 5: Solve for x
    x = 27,295,096.61/5,494.56
  6. Step 6: Final answer
    x = 4,967.66

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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.