Home / 5,517.32-8,280.14-2,920.84

Finding the Fourth Proportional to 5,517.32, 8,280.14 and 2,920.84

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Solution

The fourth proportional to 5,517.32, 8,280.14 and 2,920.84 is: 4,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.32 : 8,280.14 = 2,920.84 : x
  2. Step 2: Convert to fraction form
    5,517.32/8,280.14 = 2,920.84/x
  3. Step 3: Cross multiply
    5,517.32x = 8,280.14 × 2,920.84
  4. Step 4: Simplify right side
    5,517.32x = 24,184,964.12
  5. Step 5: Solve for x
    x = 24,184,964.12/5,517.32
  6. Step 6: Final answer
    x = 4,383.46

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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.