Home / 7,080.57-9,771.18-3,937.37

Finding the Fourth Proportional to 7,080.57, 9,771.18 and 3,937.37

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Solution

The fourth proportional to 7,080.57, 9,771.18 and 3,937.37 is: 5,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.57 : 9,771.18 = 3,937.37 : x
  2. Step 2: Convert to fraction form
    7,080.57/9,771.18 = 3,937.37/x
  3. Step 3: Cross multiply
    7,080.57x = 9,771.18 × 3,937.37
  4. Step 4: Simplify right side
    7,080.57x = 38,472,702.14
  5. Step 5: Solve for x
    x = 38,472,702.14/7,080.57
  6. Step 6: Final answer
    x = 5,433.56

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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.