Home / 7,361.78-10,158.87-4,377.56

Finding the Fourth Proportional to 7,361.78, 10,158.87 and 4,377.56

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Solution

The fourth proportional to 7,361.78, 10,158.87 and 4,377.56 is: 6,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.78 : 10,158.87 = 4,377.56 : x
  2. Step 2: Convert to fraction form
    7,361.78/10,158.87 = 4,377.56/x
  3. Step 3: Cross multiply
    7,361.78x = 10,158.87 × 4,377.56
  4. Step 4: Simplify right side
    7,361.78x = 44,471,062.96
  5. Step 5: Solve for x
    x = 44,471,062.96/7,361.78
  6. Step 6: Final answer
    x = 6,040.80

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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.