Home / 7,918.11-10,927.16-4,381.56

Finding the Fourth Proportional to 7,918.11, 10,927.16 and 4,381.56

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Solution

The fourth proportional to 7,918.11, 10,927.16 and 4,381.56 is: 6,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.11 : 10,927.16 = 4,381.56 : x
  2. Step 2: Convert to fraction form
    7,918.11/10,927.16 = 4,381.56/x
  3. Step 3: Cross multiply
    7,918.11x = 10,927.16 × 4,381.56
  4. Step 4: Simplify right side
    7,918.11x = 47,878,007.17
  5. Step 5: Solve for x
    x = 47,878,007.17/7,918.11
  6. Step 6: Final answer
    x = 6,046.65

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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.