Home / 6,220.42-9,332.11-1,778.15

Finding the Fourth Proportional to 6,220.42, 9,332.11 and 1,778.15

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Solution

The fourth proportional to 6,220.42, 9,332.11 and 1,778.15 is: 2,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.42 : 9,332.11 = 1,778.15 : x
  2. Step 2: Convert to fraction form
    6,220.42/9,332.11 = 1,778.15/x
  3. Step 3: Cross multiply
    6,220.42x = 9,332.11 × 1,778.15
  4. Step 4: Simplify right side
    6,220.42x = 16,593,916.95
  5. Step 5: Solve for x
    x = 16,593,916.95/6,220.42
  6. Step 6: Final answer
    x = 2,667.65

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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.