Home / 4,877.28-7,316.40-1,414.56

Finding the Fourth Proportional to 4,877.28, 7,316.40 and 1,414.56

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Solution

The fourth proportional to 4,877.28, 7,316.40 and 1,414.56 is: 2,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.28 : 7,316.40 = 1,414.56 : x
  2. Step 2: Convert to fraction form
    4,877.28/7,316.40 = 1,414.56/x
  3. Step 3: Cross multiply
    4,877.28x = 7,316.40 × 1,414.56
  4. Step 4: Simplify right side
    4,877.28x = 10,349,486.78
  5. Step 5: Solve for x
    x = 10,349,486.78/4,877.28
  6. Step 6: Final answer
    x = 2,121.98

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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.