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Finding the Fourth Proportional to 7,352.70, 10,134.93 and 5,756.66

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Solution

The fourth proportional to 7,352.70, 10,134.93 and 5,756.66 is: 7,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.70 : 10,134.93 = 5,756.66 : x
  2. Step 2: Convert to fraction form
    7,352.70/10,134.93 = 5,756.66/x
  3. Step 3: Cross multiply
    7,352.70x = 10,134.93 × 5,756.66
  4. Step 4: Simplify right side
    7,352.70x = 58,343,346.13
  5. Step 5: Solve for x
    x = 58,343,346.13/7,352.70
  6. Step 6: Final answer
    x = 7,934.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.