Home / 5,559.36-8,331.69-2,921.48

Finding the Fourth Proportional to 5,559.36, 8,331.69 and 2,921.48

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Solution

The fourth proportional to 5,559.36, 8,331.69 and 2,921.48 is: 4,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.36 : 8,331.69 = 2,921.48 : x
  2. Step 2: Convert to fraction form
    5,559.36/8,331.69 = 2,921.48/x
  3. Step 3: Cross multiply
    5,559.36x = 8,331.69 × 2,921.48
  4. Step 4: Simplify right side
    5,559.36x = 24,340,865.70
  5. Step 5: Solve for x
    x = 24,340,865.70/5,559.36
  6. Step 6: Final answer
    x = 4,378.36

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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.