Home / 4,476.78-6,177.96-2,487.28

Finding the Fourth Proportional to 4,476.78, 6,177.96 and 2,487.28

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Solution

The fourth proportional to 4,476.78, 6,177.96 and 2,487.28 is: 3,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.78 : 6,177.96 = 2,487.28 : x
  2. Step 2: Convert to fraction form
    4,476.78/6,177.96 = 2,487.28/x
  3. Step 3: Cross multiply
    4,476.78x = 6,177.96 × 2,487.28
  4. Step 4: Simplify right side
    4,476.78x = 15,366,316.35
  5. Step 5: Solve for x
    x = 15,366,316.35/4,476.78
  6. Step 6: Final answer
    x = 3,432.45

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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.