Home / 5,352.66-7,384.87-3,112.70

Finding the Fourth Proportional to 5,352.66, 7,384.87 and 3,112.70

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Solution

The fourth proportional to 5,352.66, 7,384.87 and 3,112.70 is: 4,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.66 : 7,384.87 = 3,112.70 : x
  2. Step 2: Convert to fraction form
    5,352.66/7,384.87 = 3,112.70/x
  3. Step 3: Cross multiply
    5,352.66x = 7,384.87 × 3,112.70
  4. Step 4: Simplify right side
    5,352.66x = 22,986,840.14
  5. Step 5: Solve for x
    x = 22,986,840.14/5,352.66
  6. Step 6: Final answer
    x = 4,294.47

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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.