Home / 6,401.26-8,834.28-3,607.30

Finding the Fourth Proportional to 6,401.26, 8,834.28 and 3,607.30

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Solution

The fourth proportional to 6,401.26, 8,834.28 and 3,607.30 is: 4,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.26 : 8,834.28 = 3,607.30 : x
  2. Step 2: Convert to fraction form
    6,401.26/8,834.28 = 3,607.30/x
  3. Step 3: Cross multiply
    6,401.26x = 8,834.28 × 3,607.30
  4. Step 4: Simplify right side
    6,401.26x = 31,867,898.24
  5. Step 5: Solve for x
    x = 31,867,898.24/6,401.26
  6. Step 6: Final answer
    x = 4,978.38

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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.