Home / 7,891.19-10,889.35-4,306.17

Finding the Fourth Proportional to 7,891.19, 10,889.35 and 4,306.17

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Solution

The fourth proportional to 7,891.19, 10,889.35 and 4,306.17 is: 5,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.19 : 10,889.35 = 4,306.17 : x
  2. Step 2: Convert to fraction form
    7,891.19/10,889.35 = 4,306.17/x
  3. Step 3: Cross multiply
    7,891.19x = 10,889.35 × 4,306.17
  4. Step 4: Simplify right side
    7,891.19x = 46,891,392.29
  5. Step 5: Solve for x
    x = 46,891,392.29/7,891.19
  6. Step 6: Final answer
    x = 5,942.25

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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.