Home / 4,748-7,123.14-2,150.24

Finding the Fourth Proportional to 4,748, 7,123.14 and 2,150.24

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Solution

The fourth proportional to 4,748, 7,123.14 and 2,150.24 is: 3,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748 : 7,123.14 = 2,150.24 : x
  2. Step 2: Convert to fraction form
    4,748/7,123.14 = 2,150.24/x
  3. Step 3: Cross multiply
    4,748x = 7,123.14 × 2,150.24
  4. Step 4: Simplify right side
    4,748x = 15,316,460.55
  5. Step 5: Solve for x
    x = 15,316,460.55/4,748
  6. Step 6: Final answer
    x = 3,225.88

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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.