Home / 6,401.32-8,833.74-3,606.76

Finding the Fourth Proportional to 6,401.32, 8,833.74 and 3,606.76

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Solution

The fourth proportional to 6,401.32, 8,833.74 and 3,606.76 is: 4,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.32 : 8,833.74 = 3,606.76 : x
  2. Step 2: Convert to fraction form
    6,401.32/8,833.74 = 3,606.76/x
  3. Step 3: Cross multiply
    6,401.32x = 8,833.74 × 3,606.76
  4. Step 4: Simplify right side
    6,401.32x = 31,861,180.08
  5. Step 5: Solve for x
    x = 31,861,180.08/6,401.32
  6. Step 6: Final answer
    x = 4,977.28

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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.