Home / 4,937.92-6,820.32-3,903.68

Finding the Fourth Proportional to 4,937.92, 6,820.32 and 3,903.68

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Solution

The fourth proportional to 4,937.92, 6,820.32 and 3,903.68 is: 5,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.92 : 6,820.32 = 3,903.68 : x
  2. Step 2: Convert to fraction form
    4,937.92/6,820.32 = 3,903.68/x
  3. Step 3: Cross multiply
    4,937.92x = 6,820.32 × 3,903.68
  4. Step 4: Simplify right side
    4,937.92x = 26,624,346.78
  5. Step 5: Solve for x
    x = 26,624,346.78/4,937.92
  6. Step 6: Final answer
    x = 5,391.81

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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.