Home / 9,639.56-13,301.17-5,661.95

Finding the Fourth Proportional to 9,639.56, 13,301.17 and 5,661.95

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Solution

The fourth proportional to 9,639.56, 13,301.17 and 5,661.95 is: 7,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.56 : 13,301.17 = 5,661.95 : x
  2. Step 2: Convert to fraction form
    9,639.56/13,301.17 = 5,661.95/x
  3. Step 3: Cross multiply
    9,639.56x = 13,301.17 × 5,661.95
  4. Step 4: Simplify right side
    9,639.56x = 75,310,549.93
  5. Step 5: Solve for x
    x = 75,310,549.93/9,639.56
  6. Step 6: Final answer
    x = 7,812.66

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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.