Home / 7,622.28-10,522.26-5,385.96

Finding the Fourth Proportional to 7,622.28, 10,522.26 and 5,385.96

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Solution

The fourth proportional to 7,622.28, 10,522.26 and 5,385.96 is: 7,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.28 : 10,522.26 = 5,385.96 : x
  2. Step 2: Convert to fraction form
    7,622.28/10,522.26 = 5,385.96/x
  3. Step 3: Cross multiply
    7,622.28x = 10,522.26 × 5,385.96
  4. Step 4: Simplify right side
    7,622.28x = 56,672,471.47
  5. Step 5: Solve for x
    x = 56,672,471.47/7,622.28
  6. Step 6: Final answer
    x = 7,435.11

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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.