Home / 7,118.39-10,677.78-1,924.25

Finding the Fourth Proportional to 7,118.39, 10,677.78 and 1,924.25

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Solution

The fourth proportional to 7,118.39, 10,677.78 and 1,924.25 is: 2,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.39 : 10,677.78 = 1,924.25 : x
  2. Step 2: Convert to fraction form
    7,118.39/10,677.78 = 1,924.25/x
  3. Step 3: Cross multiply
    7,118.39x = 10,677.78 × 1,924.25
  4. Step 4: Simplify right side
    7,118.39x = 20,546,718.17
  5. Step 5: Solve for x
    x = 20,546,718.17/7,118.39
  6. Step 6: Final answer
    x = 2,886.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.