Home / 7,918.38-10,927.22-4,381.59

Finding the Fourth Proportional to 7,918.38, 10,927.22 and 4,381.59

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Solution

The fourth proportional to 7,918.38, 10,927.22 and 4,381.59 is: 6,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.38 : 10,927.22 = 4,381.59 : x
  2. Step 2: Convert to fraction form
    7,918.38/10,927.22 = 4,381.59/x
  3. Step 3: Cross multiply
    7,918.38x = 10,927.22 × 4,381.59
  4. Step 4: Simplify right side
    7,918.38x = 47,878,597.88
  5. Step 5: Solve for x
    x = 47,878,597.88/7,918.38
  6. Step 6: Final answer
    x = 6,046.51

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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.