Home / 7,062.56-9,747.16-3,918.95

Finding the Fourth Proportional to 7,062.56, 9,747.16 and 3,918.95

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Solution

The fourth proportional to 7,062.56, 9,747.16 and 3,918.95 is: 5,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.56 : 9,747.16 = 3,918.95 : x
  2. Step 2: Convert to fraction form
    7,062.56/9,747.16 = 3,918.95/x
  3. Step 3: Cross multiply
    7,062.56x = 9,747.16 × 3,918.95
  4. Step 4: Simplify right side
    7,062.56x = 38,198,574.15
  5. Step 5: Solve for x
    x = 38,198,574.15/7,062.56
  6. Step 6: Final answer
    x = 5,408.61

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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.