Home / 7,118.28-10,677.39-1,924.14

Finding the Fourth Proportional to 7,118.28, 10,677.39 and 1,924.14

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Solution

The fourth proportional to 7,118.28, 10,677.39 and 1,924.14 is: 2,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.28 : 10,677.39 = 1,924.14 : x
  2. Step 2: Convert to fraction form
    7,118.28/10,677.39 = 1,924.14/x
  3. Step 3: Cross multiply
    7,118.28x = 10,677.39 × 1,924.14
  4. Step 4: Simplify right side
    7,118.28x = 20,544,793.19
  5. Step 5: Solve for x
    x = 20,544,793.19/7,118.28
  6. Step 6: Final answer
    x = 2,886.20

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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.