Home / 5,472.88-8,208.56-1,577.60

Finding the Fourth Proportional to 5,472.88, 8,208.56 and 1,577.60

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Solution

The fourth proportional to 5,472.88, 8,208.56 and 1,577.60 is: 2,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.88 : 8,208.56 = 1,577.60 : x
  2. Step 2: Convert to fraction form
    5,472.88/8,208.56 = 1,577.60/x
  3. Step 3: Cross multiply
    5,472.88x = 8,208.56 × 1,577.60
  4. Step 4: Simplify right side
    5,472.88x = 12,949,824.26
  5. Step 5: Solve for x
    x = 12,949,824.26/5,472.88
  6. Step 6: Final answer
    x = 2,366.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.