Home / 6,922.28-9,552.60-3,778.40

Finding the Fourth Proportional to 6,922.28, 9,552.60 and 3,778.40

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Solution

The fourth proportional to 6,922.28, 9,552.60 and 3,778.40 is: 5,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.28 : 9,552.60 = 3,778.40 : x
  2. Step 2: Convert to fraction form
    6,922.28/9,552.60 = 3,778.40/x
  3. Step 3: Cross multiply
    6,922.28x = 9,552.60 × 3,778.40
  4. Step 4: Simplify right side
    6,922.28x = 36,093,543.84
  5. Step 5: Solve for x
    x = 36,093,543.84/6,922.28
  6. Step 6: Final answer
    x = 5,214.11

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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.