Home / 7,330.44-10,115.91-4,186.56

Finding the Fourth Proportional to 7,330.44, 10,115.91 and 4,186.56

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Solution

The fourth proportional to 7,330.44, 10,115.91 and 4,186.56 is: 5,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.44 : 10,115.91 = 4,186.56 : x
  2. Step 2: Convert to fraction form
    7,330.44/10,115.91 = 4,186.56/x
  3. Step 3: Cross multiply
    7,330.44x = 10,115.91 × 4,186.56
  4. Step 4: Simplify right side
    7,330.44x = 42,350,864.17
  5. Step 5: Solve for x
    x = 42,350,864.17/7,330.44
  6. Step 6: Final answer
    x = 5,777.40

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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.