Home / 6,246.60-8,616.30-4,919.76

Finding the Fourth Proportional to 6,246.60, 8,616.30 and 4,919.76

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Solution

The fourth proportional to 6,246.60, 8,616.30 and 4,919.76 is: 6,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.60 : 8,616.30 = 4,919.76 : x
  2. Step 2: Convert to fraction form
    6,246.60/8,616.30 = 4,919.76/x
  3. Step 3: Cross multiply
    6,246.60x = 8,616.30 × 4,919.76
  4. Step 4: Simplify right side
    6,246.60x = 42,390,128.09
  5. Step 5: Solve for x
    x = 42,390,128.09/6,246.60
  6. Step 6: Final answer
    x = 6,786.11

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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.