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Finding the Fourth Proportional to 7,193.93, 9,925.52 and 4,168.76

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Solution

The fourth proportional to 7,193.93, 9,925.52 and 4,168.76 is: 5,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.93 : 9,925.52 = 4,168.76 : x
  2. Step 2: Convert to fraction form
    7,193.93/9,925.52 = 4,168.76/x
  3. Step 3: Cross multiply
    7,193.93x = 9,925.52 × 4,168.76
  4. Step 4: Simplify right side
    7,193.93x = 41,377,040.28
  5. Step 5: Solve for x
    x = 41,377,040.28/7,193.93
  6. Step 6: Final answer
    x = 5,751.66

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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.