Home / 4,003.70-5,521.65-3,217.46

Finding the Fourth Proportional to 4,003.70, 5,521.65 and 3,217.46

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Solution

The fourth proportional to 4,003.70, 5,521.65 and 3,217.46 is: 4,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.70 : 5,521.65 = 3,217.46 : x
  2. Step 2: Convert to fraction form
    4,003.70/5,521.65 = 3,217.46/x
  3. Step 3: Cross multiply
    4,003.70x = 5,521.65 × 3,217.46
  4. Step 4: Simplify right side
    4,003.70x = 17,765,688.01
  5. Step 5: Solve for x
    x = 17,765,688.01/4,003.70
  6. Step 6: Final answer
    x = 4,437.32

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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.