Home / 5,352.43-7,385.71-3,113.94

Finding the Fourth Proportional to 5,352.43, 7,385.71 and 3,113.94

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Solution

The fourth proportional to 5,352.43, 7,385.71 and 3,113.94 is: 4,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.43 : 7,385.71 = 3,113.94 : x
  2. Step 2: Convert to fraction form
    5,352.43/7,385.71 = 3,113.94/x
  3. Step 3: Cross multiply
    5,352.43x = 7,385.71 × 3,113.94
  4. Step 4: Simplify right side
    5,352.43x = 22,998,674.79
  5. Step 5: Solve for x
    x = 22,998,674.79/5,352.43
  6. Step 6: Final answer
    x = 4,296.87

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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.