Home / 5,277.74-7,916.61-1,382.13

Finding the Fourth Proportional to 5,277.74, 7,916.61 and 1,382.13

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Solution

The fourth proportional to 5,277.74, 7,916.61 and 1,382.13 is: 2,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.74 : 7,916.61 = 1,382.13 : x
  2. Step 2: Convert to fraction form
    5,277.74/7,916.61 = 1,382.13/x
  3. Step 3: Cross multiply
    5,277.74x = 7,916.61 × 1,382.13
  4. Step 4: Simplify right side
    5,277.74x = 10,941,784.18
  5. Step 5: Solve for x
    x = 10,941,784.18/5,277.74
  6. Step 6: Final answer
    x = 2,073.20

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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.