Home / 5,520.79-7,617.09-3,162.46

Finding the Fourth Proportional to 5,520.79, 7,617.09 and 3,162.46

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Solution

The fourth proportional to 5,520.79, 7,617.09 and 3,162.46 is: 4,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.79 : 7,617.09 = 3,162.46 : x
  2. Step 2: Convert to fraction form
    5,520.79/7,617.09 = 3,162.46/x
  3. Step 3: Cross multiply
    5,520.79x = 7,617.09 × 3,162.46
  4. Step 4: Simplify right side
    5,520.79x = 24,088,742.44
  5. Step 5: Solve for x
    x = 24,088,742.44/5,520.79
  6. Step 6: Final answer
    x = 4,363.28

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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.