Home / 6,909.68-10,358.67-3,011.12

Finding the Fourth Proportional to 6,909.68, 10,358.67 and 3,011.12

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Solution

The fourth proportional to 6,909.68, 10,358.67 and 3,011.12 is: 4,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.68 : 10,358.67 = 3,011.12 : x
  2. Step 2: Convert to fraction form
    6,909.68/10,358.67 = 3,011.12/x
  3. Step 3: Cross multiply
    6,909.68x = 10,358.67 × 3,011.12
  4. Step 4: Simplify right side
    6,909.68x = 31,191,198.41
  5. Step 5: Solve for x
    x = 31,191,198.41/6,909.68
  6. Step 6: Final answer
    x = 4,514.13

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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.