Home / 7,919.22-10,927.38-4,382.43

Finding the Fourth Proportional to 7,919.22, 10,927.38 and 4,382.43

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Solution

The fourth proportional to 7,919.22, 10,927.38 and 4,382.43 is: 6,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.22 : 10,927.38 = 4,382.43 : x
  2. Step 2: Convert to fraction form
    7,919.22/10,927.38 = 4,382.43/x
  3. Step 3: Cross multiply
    7,919.22x = 10,927.38 × 4,382.43
  4. Step 4: Simplify right side
    7,919.22x = 47,888,477.93
  5. Step 5: Solve for x
    x = 47,888,477.93/7,919.22
  6. Step 6: Final answer
    x = 6,047.12

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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.