Home / 4,988-7,463.19-2,979.25

Finding the Fourth Proportional to 4,988, 7,463.19 and 2,979.25

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Solution

The fourth proportional to 4,988, 7,463.19 and 2,979.25 is: 4,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988 : 7,463.19 = 2,979.25 : x
  2. Step 2: Convert to fraction form
    4,988/7,463.19 = 2,979.25/x
  3. Step 3: Cross multiply
    4,988x = 7,463.19 × 2,979.25
  4. Step 4: Simplify right side
    4,988x = 22,234,671.49
  5. Step 5: Solve for x
    x = 22,234,671.49/4,988
  6. Step 6: Final answer
    x = 4,457.63

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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.