Home / 6,819.28-10,226.32-3,118.91

Finding the Fourth Proportional to 6,819.28, 10,226.32 and 3,118.91

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Solution

The fourth proportional to 6,819.28, 10,226.32 and 3,118.91 is: 4,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.28 : 10,226.32 = 3,118.91 : x
  2. Step 2: Convert to fraction form
    6,819.28/10,226.32 = 3,118.91/x
  3. Step 3: Cross multiply
    6,819.28x = 10,226.32 × 3,118.91
  4. Step 4: Simplify right side
    6,819.28x = 31,894,971.71
  5. Step 5: Solve for x
    x = 31,894,971.71/6,819.28
  6. Step 6: Final answer
    x = 4,677.18

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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.