Home / 4,380.64-6,572.61-2,189.32

Finding the Fourth Proportional to 4,380.64, 6,572.61 and 2,189.32

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Solution

The fourth proportional to 4,380.64, 6,572.61 and 2,189.32 is: 3,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.64 : 6,572.61 = 2,189.32 : x
  2. Step 2: Convert to fraction form
    4,380.64/6,572.61 = 2,189.32/x
  3. Step 3: Cross multiply
    4,380.64x = 6,572.61 × 2,189.32
  4. Step 4: Simplify right side
    4,380.64x = 14,389,546.53
  5. Step 5: Solve for x
    x = 14,389,546.53/4,380.64
  6. Step 6: Final answer
    x = 3,284.80

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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.