Home / 4,888.25-7,332.53-2,112.99

Finding the Fourth Proportional to 4,888.25, 7,332.53 and 2,112.99

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Solution

The fourth proportional to 4,888.25, 7,332.53 and 2,112.99 is: 3,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.25 : 7,332.53 = 2,112.99 : x
  2. Step 2: Convert to fraction form
    4,888.25/7,332.53 = 2,112.99/x
  3. Step 3: Cross multiply
    4,888.25x = 7,332.53 × 2,112.99
  4. Step 4: Simplify right side
    4,888.25x = 15,493,524.50
  5. Step 5: Solve for x
    x = 15,493,524.50/4,888.25
  6. Step 6: Final answer
    x = 3,169.55

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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.