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Finding the Fourth Proportional to 5,373.73, 7,995.58 and 5,239.81

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Solution

The fourth proportional to 5,373.73, 7,995.58 and 5,239.81 is: 7,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.73 : 7,995.58 = 5,239.81 : x
  2. Step 2: Convert to fraction form
    5,373.73/7,995.58 = 5,239.81/x
  3. Step 3: Cross multiply
    5,373.73x = 7,995.58 × 5,239.81
  4. Step 4: Simplify right side
    5,373.73x = 41,895,320.04
  5. Step 5: Solve for x
    x = 41,895,320.04/5,373.73
  6. Step 6: Final answer
    x = 7,796.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.