Home / 5,757.04-7,948.02-3,871.36

Finding the Fourth Proportional to 5,757.04, 7,948.02 and 3,871.36

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Solution

The fourth proportional to 5,757.04, 7,948.02 and 3,871.36 is: 5,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.04 : 7,948.02 = 3,871.36 : x
  2. Step 2: Convert to fraction form
    5,757.04/7,948.02 = 3,871.36/x
  3. Step 3: Cross multiply
    5,757.04x = 7,948.02 × 3,871.36
  4. Step 4: Simplify right side
    5,757.04x = 30,769,646.71
  5. Step 5: Solve for x
    x = 30,769,646.71/5,757.04
  6. Step 6: Final answer
    x = 5,344.70

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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.