Home / 4,476.80-6,177.91-2,487.31

Finding the Fourth Proportional to 4,476.80, 6,177.91 and 2,487.31

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Solution

The fourth proportional to 4,476.80, 6,177.91 and 2,487.31 is: 3,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.80 : 6,177.91 = 2,487.31 : x
  2. Step 2: Convert to fraction form
    4,476.80/6,177.91 = 2,487.31/x
  3. Step 3: Cross multiply
    4,476.80x = 6,177.91 × 2,487.31
  4. Step 4: Simplify right side
    4,476.80x = 15,366,377.32
  5. Step 5: Solve for x
    x = 15,366,377.32/4,476.80
  6. Step 6: Final answer
    x = 3,432.45

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1.5x scale

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.