Home / 9,617.51-14,400.20-4,990.79

Finding the Fourth Proportional to 9,617.51, 14,400.20 and 4,990.79

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Solution

The fourth proportional to 9,617.51, 14,400.20 and 4,990.79 is: 7,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.51 : 14,400.20 = 4,990.79 : x
  2. Step 2: Convert to fraction form
    9,617.51/14,400.20 = 4,990.79/x
  3. Step 3: Cross multiply
    9,617.51x = 14,400.20 × 4,990.79
  4. Step 4: Simplify right side
    9,617.51x = 71,868,422.64
  5. Step 5: Solve for x
    x = 71,868,422.64/9,617.51
  6. Step 6: Final answer
    x = 7,472.66

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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.