Home / 7,159.87-10,747.66-5,688.55

Finding the Fourth Proportional to 7,159.87, 10,747.66 and 5,688.55

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Solution

The fourth proportional to 7,159.87, 10,747.66 and 5,688.55 is: 8,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.87 : 10,747.66 = 5,688.55 : x
  2. Step 2: Convert to fraction form
    7,159.87/10,747.66 = 5,688.55/x
  3. Step 3: Cross multiply
    7,159.87x = 10,747.66 × 5,688.55
  4. Step 4: Simplify right side
    7,159.87x = 61,138,542.72
  5. Step 5: Solve for x
    x = 61,138,542.72/7,159.87
  6. Step 6: Final answer
    x = 8,539.06

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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.