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Finding the Fourth Proportional to 5,041.65, 7,532.61 and 4,869.39

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Solution

The fourth proportional to 5,041.65, 7,532.61 and 4,869.39 is: 7,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.65 : 7,532.61 = 4,869.39 : x
  2. Step 2: Convert to fraction form
    5,041.65/7,532.61 = 4,869.39/x
  3. Step 3: Cross multiply
    5,041.65x = 7,532.61 × 4,869.39
  4. Step 4: Simplify right side
    5,041.65x = 36,679,215.81
  5. Step 5: Solve for x
    x = 36,679,215.81/5,041.65
  6. Step 6: Final answer
    x = 7,275.24

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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.