Home / 4,909.18-6,773.50-3,318.79

Finding the Fourth Proportional to 4,909.18, 6,773.50 and 3,318.79

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Solution

The fourth proportional to 4,909.18, 6,773.50 and 3,318.79 is: 4,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.18 : 6,773.50 = 3,318.79 : x
  2. Step 2: Convert to fraction form
    4,909.18/6,773.50 = 3,318.79/x
  3. Step 3: Cross multiply
    4,909.18x = 6,773.50 × 3,318.79
  4. Step 4: Simplify right side
    4,909.18x = 22,479,824.07
  5. Step 5: Solve for x
    x = 22,479,824.07/4,909.18
  6. Step 6: Final answer
    x = 4,579.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.