Home / 5,621.28-7,759.08-3,264.36

Finding the Fourth Proportional to 5,621.28, 7,759.08 and 3,264.36

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Solution

The fourth proportional to 5,621.28, 7,759.08 and 3,264.36 is: 4,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.28 : 7,759.08 = 3,264.36 : x
  2. Step 2: Convert to fraction form
    5,621.28/7,759.08 = 3,264.36/x
  3. Step 3: Cross multiply
    5,621.28x = 7,759.08 × 3,264.36
  4. Step 4: Simplify right side
    5,621.28x = 25,328,430.39
  5. Step 5: Solve for x
    x = 25,328,430.39/5,621.28
  6. Step 6: Final answer
    x = 4,505.81

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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.