Home / 6,909.85-10,363.25-2,749.08

Finding the Fourth Proportional to 6,909.85, 10,363.25 and 2,749.08

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Solution

The fourth proportional to 6,909.85, 10,363.25 and 2,749.08 is: 4,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.85 : 10,363.25 = 2,749.08 : x
  2. Step 2: Convert to fraction form
    6,909.85/10,363.25 = 2,749.08/x
  3. Step 3: Cross multiply
    6,909.85x = 10,363.25 × 2,749.08
  4. Step 4: Simplify right side
    6,909.85x = 28,489,389.56
  5. Step 5: Solve for x
    x = 28,489,389.56/6,909.85
  6. Step 6: Final answer
    x = 4,123.01

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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.