Home / 7,743.17-10,685.78-4,385.93

Finding the Fourth Proportional to 7,743.17, 10,685.78 and 4,385.93

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Solution

The fourth proportional to 7,743.17, 10,685.78 and 4,385.93 is: 6,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.17 : 10,685.78 = 4,385.93 : x
  2. Step 2: Convert to fraction form
    7,743.17/10,685.78 = 4,385.93/x
  3. Step 3: Cross multiply
    7,743.17x = 10,685.78 × 4,385.93
  4. Step 4: Simplify right side
    7,743.17x = 46,867,087.86
  5. Step 5: Solve for x
    x = 46,867,087.86/7,743.17
  6. Step 6: Final answer
    x = 6,052.70

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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.