Home / 7,118.28-10,676.70-1,924.68

Finding the Fourth Proportional to 7,118.28, 10,676.70 and 1,924.68

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Solution

The fourth proportional to 7,118.28, 10,676.70 and 1,924.68 is: 2,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.28 : 10,676.70 = 1,924.68 : x
  2. Step 2: Convert to fraction form
    7,118.28/10,676.70 = 1,924.68/x
  3. Step 3: Cross multiply
    7,118.28x = 10,676.70 × 1,924.68
  4. Step 4: Simplify right side
    7,118.28x = 20,549,230.96
  5. Step 5: Solve for x
    x = 20,549,230.96/7,118.28
  6. Step 6: Final answer
    x = 2,886.83

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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.