Home / 8,280.72-11,427.44-4,744.16

Finding the Fourth Proportional to 8,280.72, 11,427.44 and 4,744.16

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Solution

The fourth proportional to 8,280.72, 11,427.44 and 4,744.16 is: 6,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.72 : 11,427.44 = 4,744.16 : x
  2. Step 2: Convert to fraction form
    8,280.72/11,427.44 = 4,744.16/x
  3. Step 3: Cross multiply
    8,280.72x = 11,427.44 × 4,744.16
  4. Step 4: Simplify right side
    8,280.72x = 54,213,603.75
  5. Step 5: Solve for x
    x = 54,213,603.75/8,280.72
  6. Step 6: Final answer
    x = 6,546.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.