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Finding the Fourth Proportional to 7,373.98, 10,165.32 and 5,602.48

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Solution

The fourth proportional to 7,373.98, 10,165.32 and 5,602.48 is: 7,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.98 : 10,165.32 = 5,602.48 : x
  2. Step 2: Convert to fraction form
    7,373.98/10,165.32 = 5,602.48/x
  3. Step 3: Cross multiply
    7,373.98x = 10,165.32 × 5,602.48
  4. Step 4: Simplify right side
    7,373.98x = 56,951,001.99
  5. Step 5: Solve for x
    x = 56,951,001.99/7,373.98
  6. Step 6: Final answer
    x = 7,723.24

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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.