Home / 5,330.81-7,356.52-3,761.64

Finding the Fourth Proportional to 5,330.81, 7,356.52 and 3,761.64

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Solution

The fourth proportional to 5,330.81, 7,356.52 and 3,761.64 is: 5,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.81 : 7,356.52 = 3,761.64 : x
  2. Step 2: Convert to fraction form
    5,330.81/7,356.52 = 3,761.64/x
  3. Step 3: Cross multiply
    5,330.81x = 7,356.52 × 3,761.64
  4. Step 4: Simplify right side
    5,330.81x = 27,672,584.59
  5. Step 5: Solve for x
    x = 27,672,584.59/5,330.81
  6. Step 6: Final answer
    x = 5,191.06

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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.