Home / 6,401.92-8,834.46-3,607.36

Finding the Fourth Proportional to 6,401.92, 8,834.46 and 3,607.36

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Solution

The fourth proportional to 6,401.92, 8,834.46 and 3,607.36 is: 4,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.92 : 8,834.46 = 3,607.36 : x
  2. Step 2: Convert to fraction form
    6,401.92/8,834.46 = 3,607.36/x
  3. Step 3: Cross multiply
    6,401.92x = 8,834.46 × 3,607.36
  4. Step 4: Simplify right side
    6,401.92x = 31,869,077.63
  5. Step 5: Solve for x
    x = 31,869,077.63/6,401.92
  6. Step 6: Final answer
    x = 4,978.05

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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.