Home / 8,581.96-12,819.69-6,223.24

Finding the Fourth Proportional to 8,581.96, 12,819.69 and 6,223.24

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Solution

The fourth proportional to 8,581.96, 12,819.69 and 6,223.24 is: 9,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.96 : 12,819.69 = 6,223.24 : x
  2. Step 2: Convert to fraction form
    8,581.96/12,819.69 = 6,223.24/x
  3. Step 3: Cross multiply
    8,581.96x = 12,819.69 × 6,223.24
  4. Step 4: Simplify right side
    8,581.96x = 79,780,007.60
  5. Step 5: Solve for x
    x = 79,780,007.60/8,581.96
  6. Step 6: Final answer
    x = 9,296.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.