Home / 9,382.55-12,947.87-5,133.54

Finding the Fourth Proportional to 9,382.55, 12,947.87 and 5,133.54

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Solution

The fourth proportional to 9,382.55, 12,947.87 and 5,133.54 is: 7,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.55 : 12,947.87 = 5,133.54 : x
  2. Step 2: Convert to fraction form
    9,382.55/12,947.87 = 5,133.54/x
  3. Step 3: Cross multiply
    9,382.55x = 12,947.87 × 5,133.54
  4. Step 4: Simplify right side
    9,382.55x = 66,468,421.39
  5. Step 5: Solve for x
    x = 66,468,421.39/9,382.55
  6. Step 6: Final answer
    x = 7,084.26

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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.