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Finding the Fourth Proportional to 7,295.67, 10,943.61 and 2,101.55

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Solution

The fourth proportional to 7,295.67, 10,943.61 and 2,101.55 is: 3,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.67 : 10,943.61 = 2,101.55 : x
  2. Step 2: Convert to fraction form
    7,295.67/10,943.61 = 2,101.55/x
  3. Step 3: Cross multiply
    7,295.67x = 10,943.61 × 2,101.55
  4. Step 4: Simplify right side
    7,295.67x = 22,998,481.00
  5. Step 5: Solve for x
    x = 22,998,481.00/7,295.67
  6. Step 6: Final answer
    x = 3,152.35

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1.5x scale

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.