Home / 4,951.16-7,430.37-3,988.88

Finding the Fourth Proportional to 4,951.16, 7,430.37 and 3,988.88

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Solution

The fourth proportional to 4,951.16, 7,430.37 and 3,988.88 is: 5,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.16 : 7,430.37 = 3,988.88 : x
  2. Step 2: Convert to fraction form
    4,951.16/7,430.37 = 3,988.88/x
  3. Step 3: Cross multiply
    4,951.16x = 7,430.37 × 3,988.88
  4. Step 4: Simplify right side
    4,951.16x = 29,638,854.29
  5. Step 5: Solve for x
    x = 29,638,854.29/4,951.16
  6. Step 6: Final answer
    x = 5,986.24

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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.