Home / 5,551.86-8,331.90-2,630.17

Finding the Fourth Proportional to 5,551.86, 8,331.90 and 2,630.17

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Solution

The fourth proportional to 5,551.86, 8,331.90 and 2,630.17 is: 3,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.86 : 8,331.90 = 2,630.17 : x
  2. Step 2: Convert to fraction form
    5,551.86/8,331.90 = 2,630.17/x
  3. Step 3: Cross multiply
    5,551.86x = 8,331.90 × 2,630.17
  4. Step 4: Simplify right side
    5,551.86x = 21,914,313.42
  5. Step 5: Solve for x
    x = 21,914,313.42/5,551.86
  6. Step 6: Final answer
    x = 3,947.20

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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.