Home / 5,560.20-8,334.86-2,782.71

Finding the Fourth Proportional to 5,560.20, 8,334.86 and 2,782.71

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Solution

The fourth proportional to 5,560.20, 8,334.86 and 2,782.71 is: 4,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.20 : 8,334.86 = 2,782.71 : x
  2. Step 2: Convert to fraction form
    5,560.20/8,334.86 = 2,782.71/x
  3. Step 3: Cross multiply
    5,560.20x = 8,334.86 × 2,782.71
  4. Step 4: Simplify right side
    5,560.20x = 23,193,484.36
  5. Step 5: Solve for x
    x = 23,193,484.36/5,560.20
  6. Step 6: Final answer
    x = 4,171.34

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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.