Home / 8,851.55-13,280.36-5,560.79

Finding the Fourth Proportional to 8,851.55, 13,280.36 and 5,560.79

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Solution

The fourth proportional to 8,851.55, 13,280.36 and 5,560.79 is: 8,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.55 : 13,280.36 = 5,560.79 : x
  2. Step 2: Convert to fraction form
    8,851.55/13,280.36 = 5,560.79/x
  3. Step 3: Cross multiply
    8,851.55x = 13,280.36 × 5,560.79
  4. Step 4: Simplify right side
    8,851.55x = 73,849,198.88
  5. Step 5: Solve for x
    x = 73,849,198.88/8,851.55
  6. Step 6: Final answer
    x = 8,343.09

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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.