Home / 6,972.86-10,448.90-3,853.76

Finding the Fourth Proportional to 6,972.86, 10,448.90 and 3,853.76

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Solution

The fourth proportional to 6,972.86, 10,448.90 and 3,853.76 is: 5,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.86 : 10,448.90 = 3,853.76 : x
  2. Step 2: Convert to fraction form
    6,972.86/10,448.90 = 3,853.76/x
  3. Step 3: Cross multiply
    6,972.86x = 10,448.90 × 3,853.76
  4. Step 4: Simplify right side
    6,972.86x = 40,267,552.86
  5. Step 5: Solve for x
    x = 40,267,552.86/6,972.86
  6. Step 6: Final answer
    x = 5,774.90

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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.