Home / 8,284.20-11,432.22-4,507.39

Finding the Fourth Proportional to 8,284.20, 11,432.22 and 4,507.39

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Solution

The fourth proportional to 8,284.20, 11,432.22 and 4,507.39 is: 6,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.20 : 11,432.22 = 4,507.39 : x
  2. Step 2: Convert to fraction form
    8,284.20/11,432.22 = 4,507.39/x
  3. Step 3: Cross multiply
    8,284.20x = 11,432.22 × 4,507.39
  4. Step 4: Simplify right side
    8,284.20x = 51,529,474.11
  5. Step 5: Solve for x
    x = 51,529,474.11/8,284.20
  6. Step 6: Final answer
    x = 6,220.21

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Half scale
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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.