Home / 7,743.75-10,686.38-4,207.02

Finding the Fourth Proportional to 7,743.75, 10,686.38 and 4,207.02

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Solution

The fourth proportional to 7,743.75, 10,686.38 and 4,207.02 is: 5,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.75 : 10,686.38 = 4,207.02 : x
  2. Step 2: Convert to fraction form
    7,743.75/10,686.38 = 4,207.02/x
  3. Step 3: Cross multiply
    7,743.75x = 10,686.38 × 4,207.02
  4. Step 4: Simplify right side
    7,743.75x = 44,957,814.39
  5. Step 5: Solve for x
    x = 44,957,814.39/7,743.75
  6. Step 6: Final answer
    x = 5,805.69

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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.