Home / 7,891.06-10,889.67-4,534.19

Finding the Fourth Proportional to 7,891.06, 10,889.67 and 4,534.19

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Solution

The fourth proportional to 7,891.06, 10,889.67 and 4,534.19 is: 6,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.06 : 10,889.67 = 4,534.19 : x
  2. Step 2: Convert to fraction form
    7,891.06/10,889.67 = 4,534.19/x
  3. Step 3: Cross multiply
    7,891.06x = 10,889.67 × 4,534.19
  4. Step 4: Simplify right side
    7,891.06x = 49,375,810.70
  5. Step 5: Solve for x
    x = 49,375,810.70/7,891.06
  6. Step 6: Final answer
    x = 6,257.18

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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.