Home / 7,743.71-10,685.55-4,385.86

Finding the Fourth Proportional to 7,743.71, 10,685.55 and 4,385.86

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Solution

The fourth proportional to 7,743.71, 10,685.55 and 4,385.86 is: 6,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.71 : 10,685.55 = 4,385.86 : x
  2. Step 2: Convert to fraction form
    7,743.71/10,685.55 = 4,385.86/x
  3. Step 3: Cross multiply
    7,743.71x = 10,685.55 × 4,385.86
  4. Step 4: Simplify right side
    7,743.71x = 46,865,272.90
  5. Step 5: Solve for x
    x = 46,865,272.90/7,743.71
  6. Step 6: Final answer
    x = 6,052.04

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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.