Home / 8,246.39-12,370.16-3,316.05

Finding the Fourth Proportional to 8,246.39, 12,370.16 and 3,316.05

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Solution

The fourth proportional to 8,246.39, 12,370.16 and 3,316.05 is: 4,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.39 : 12,370.16 = 3,316.05 : x
  2. Step 2: Convert to fraction form
    8,246.39/12,370.16 = 3,316.05/x
  3. Step 3: Cross multiply
    8,246.39x = 12,370.16 × 3,316.05
  4. Step 4: Simplify right side
    8,246.39x = 41,020,077.36
  5. Step 5: Solve for x
    x = 41,020,077.36/8,246.39
  6. Step 6: Final answer
    x = 4,974.31

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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.