Home / 7,895.13-11,854.35-5,278.95

Finding the Fourth Proportional to 7,895.13, 11,854.35 and 5,278.95

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Solution

The fourth proportional to 7,895.13, 11,854.35 and 5,278.95 is: 7,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.13 : 11,854.35 = 5,278.95 : x
  2. Step 2: Convert to fraction form
    7,895.13/11,854.35 = 5,278.95/x
  3. Step 3: Cross multiply
    7,895.13x = 11,854.35 × 5,278.95
  4. Step 4: Simplify right side
    7,895.13x = 62,578,520.93
  5. Step 5: Solve for x
    x = 62,578,520.93/7,895.13
  6. Step 6: Final answer
    x = 7,926.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.