Home / 8,235.90-12,346.56-3,302.16

Finding the Fourth Proportional to 8,235.90, 12,346.56 and 3,302.16

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Solution

The fourth proportional to 8,235.90, 12,346.56 and 3,302.16 is: 4,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.90 : 12,346.56 = 3,302.16 : x
  2. Step 2: Convert to fraction form
    8,235.90/12,346.56 = 3,302.16/x
  3. Step 3: Cross multiply
    8,235.90x = 12,346.56 × 3,302.16
  4. Step 4: Simplify right side
    8,235.90x = 40,770,316.57
  5. Step 5: Solve for x
    x = 40,770,316.57/8,235.90
  6. Step 6: Final answer
    x = 4,950.32

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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.