Home / 8,778.51-13,159.96-3,230.53

Finding the Fourth Proportional to 8,778.51, 13,159.96 and 3,230.53

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Solution

The fourth proportional to 8,778.51, 13,159.96 and 3,230.53 is: 4,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.51 : 13,159.96 = 3,230.53 : x
  2. Step 2: Convert to fraction form
    8,778.51/13,159.96 = 3,230.53/x
  3. Step 3: Cross multiply
    8,778.51x = 13,159.96 × 3,230.53
  4. Step 4: Simplify right side
    8,778.51x = 42,513,604.60
  5. Step 5: Solve for x
    x = 42,513,604.60/8,778.51
  6. Step 6: Final answer
    x = 4,842.92

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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.