Home / 8,356.20-11,531.82-4,579.62

Finding the Fourth Proportional to 8,356.20, 11,531.82 and 4,579.62

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Solution

The fourth proportional to 8,356.20, 11,531.82 and 4,579.62 is: 6,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.20 : 11,531.82 = 4,579.62 : x
  2. Step 2: Convert to fraction form
    8,356.20/11,531.82 = 4,579.62/x
  3. Step 3: Cross multiply
    8,356.20x = 11,531.82 × 4,579.62
  4. Step 4: Simplify right side
    8,356.20x = 52,811,353.51
  5. Step 5: Solve for x
    x = 52,811,353.51/8,356.20
  6. Step 6: Final answer
    x = 6,320.02

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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.