Home / 4,991.57-6,888.45-3,001.75

Finding the Fourth Proportional to 4,991.57, 6,888.45 and 3,001.75

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Solution

The fourth proportional to 4,991.57, 6,888.45 and 3,001.75 is: 4,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.57 : 6,888.45 = 3,001.75 : x
  2. Step 2: Convert to fraction form
    4,991.57/6,888.45 = 3,001.75/x
  3. Step 3: Cross multiply
    4,991.57x = 6,888.45 × 3,001.75
  4. Step 4: Simplify right side
    4,991.57x = 20,677,404.79
  5. Step 5: Solve for x
    x = 20,677,404.79/4,991.57
  6. Step 6: Final answer
    x = 4,142.47

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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.