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Finding the Fourth Proportional to 7,062.77, 10,590 and 2,680.54

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Solution

The fourth proportional to 7,062.77, 10,590 and 2,680.54 is: 4,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.77 : 10,590 = 2,680.54 : x
  2. Step 2: Convert to fraction form
    7,062.77/10,590 = 2,680.54/x
  3. Step 3: Cross multiply
    7,062.77x = 10,590 × 2,680.54
  4. Step 4: Simplify right side
    7,062.77x = 28,386,918.60
  5. Step 5: Solve for x
    x = 28,386,918.60/7,062.77
  6. Step 6: Final answer
    x = 4,019.23

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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.