Home / 8,541.57-12,812.36-2,702.28

Finding the Fourth Proportional to 8,541.57, 12,812.36 and 2,702.28

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Solution

The fourth proportional to 8,541.57, 12,812.36 and 2,702.28 is: 4,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.57 : 12,812.36 = 2,702.28 : x
  2. Step 2: Convert to fraction form
    8,541.57/12,812.36 = 2,702.28/x
  3. Step 3: Cross multiply
    8,541.57x = 12,812.36 × 2,702.28
  4. Step 4: Simplify right side
    8,541.57x = 34,622,570.67
  5. Step 5: Solve for x
    x = 34,622,570.67/8,541.57
  6. Step 6: Final answer
    x = 4,053.42

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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.