Home / 6,921.92-10,372.24-4,697.86

Finding the Fourth Proportional to 6,921.92, 10,372.24 and 4,697.86

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Solution

The fourth proportional to 6,921.92, 10,372.24 and 4,697.86 is: 7,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.92 : 10,372.24 = 4,697.86 : x
  2. Step 2: Convert to fraction form
    6,921.92/10,372.24 = 4,697.86/x
  3. Step 3: Cross multiply
    6,921.92x = 10,372.24 × 4,697.86
  4. Step 4: Simplify right side
    6,921.92x = 48,727,331.41
  5. Step 5: Solve for x
    x = 48,727,331.41/6,921.92
  6. Step 6: Final answer
    x = 7,039.57

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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.