Home / 7,918.32-10,926.78-4,381.53

Finding the Fourth Proportional to 7,918.32, 10,926.78 and 4,381.53

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Solution

The fourth proportional to 7,918.32, 10,926.78 and 4,381.53 is: 6,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.32 : 10,926.78 = 4,381.53 : x
  2. Step 2: Convert to fraction form
    7,918.32/10,926.78 = 4,381.53/x
  3. Step 3: Cross multiply
    7,918.32x = 10,926.78 × 4,381.53
  4. Step 4: Simplify right side
    7,918.32x = 47,876,014.37
  5. Step 5: Solve for x
    x = 47,876,014.37/7,918.32
  6. Step 6: Final answer
    x = 6,046.23

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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.