Home / 5,076-7,615.52-2,154.53

Finding the Fourth Proportional to 5,076, 7,615.52 and 2,154.53

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Solution

The fourth proportional to 5,076, 7,615.52 and 2,154.53 is: 3,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076 : 7,615.52 = 2,154.53 : x
  2. Step 2: Convert to fraction form
    5,076/7,615.52 = 2,154.53/x
  3. Step 3: Cross multiply
    5,076x = 7,615.52 × 2,154.53
  4. Step 4: Simplify right side
    5,076x = 16,407,882.65
  5. Step 5: Solve for x
    x = 16,407,882.65/5,076
  6. Step 6: Final answer
    x = 3,232.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.