Home / 5,551.20-8,321.28-2,955.52

Finding the Fourth Proportional to 5,551.20, 8,321.28 and 2,955.52

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Solution

The fourth proportional to 5,551.20, 8,321.28 and 2,955.52 is: 4,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.20 : 8,321.28 = 2,955.52 : x
  2. Step 2: Convert to fraction form
    5,551.20/8,321.28 = 2,955.52/x
  3. Step 3: Cross multiply
    5,551.20x = 8,321.28 × 2,955.52
  4. Step 4: Simplify right side
    5,551.20x = 24,593,709.47
  5. Step 5: Solve for x
    x = 24,593,709.47/5,551.20
  6. Step 6: Final answer
    x = 4,430.34

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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.