Home / 7,568.15-10,443.88-4,381.58

Finding the Fourth Proportional to 7,568.15, 10,443.88 and 4,381.58

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Solution

The fourth proportional to 7,568.15, 10,443.88 and 4,381.58 is: 6,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.15 : 10,443.88 = 4,381.58 : x
  2. Step 2: Convert to fraction form
    7,568.15/10,443.88 = 4,381.58/x
  3. Step 3: Cross multiply
    7,568.15x = 10,443.88 × 4,381.58
  4. Step 4: Simplify right side
    7,568.15x = 45,760,695.73
  5. Step 5: Solve for x
    x = 45,760,695.73/7,568.15
  6. Step 6: Final answer
    x = 6,046.48

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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.