Home / 6,401.28-8,826.45-5,202.99

Finding the Fourth Proportional to 6,401.28, 8,826.45 and 5,202.99

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Solution

The fourth proportional to 6,401.28, 8,826.45 and 5,202.99 is: 7,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.28 : 8,826.45 = 5,202.99 : x
  2. Step 2: Convert to fraction form
    6,401.28/8,826.45 = 5,202.99/x
  3. Step 3: Cross multiply
    6,401.28x = 8,826.45 × 5,202.99
  4. Step 4: Simplify right side
    6,401.28x = 45,923,931.09
  5. Step 5: Solve for x
    x = 45,923,931.09/6,401.28
  6. Step 6: Final answer
    x = 7,174.18

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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.