Home / 7,343.92-10,134.25-3,986.69

Finding the Fourth Proportional to 7,343.92, 10,134.25 and 3,986.69

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Solution

The fourth proportional to 7,343.92, 10,134.25 and 3,986.69 is: 5,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.92 : 10,134.25 = 3,986.69 : x
  2. Step 2: Convert to fraction form
    7,343.92/10,134.25 = 3,986.69/x
  3. Step 3: Cross multiply
    7,343.92x = 10,134.25 × 3,986.69
  4. Step 4: Simplify right side
    7,343.92x = 40,402,154.82
  5. Step 5: Solve for x
    x = 40,402,154.82/7,343.92
  6. Step 6: Final answer
    x = 5,501.45

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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.