Home / 6,972.86-9,622.50-3,786.15

Finding the Fourth Proportional to 6,972.86, 9,622.50 and 3,786.15

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Solution

The fourth proportional to 6,972.86, 9,622.50 and 3,786.15 is: 5,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.86 : 9,622.50 = 3,786.15 : x
  2. Step 2: Convert to fraction form
    6,972.86/9,622.50 = 3,786.15/x
  3. Step 3: Cross multiply
    6,972.86x = 9,622.50 × 3,786.15
  4. Step 4: Simplify right side
    6,972.86x = 36,432,228.38
  5. Step 5: Solve for x
    x = 36,432,228.38/6,972.86
  6. Step 6: Final answer
    x = 5,224.87

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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.