Home / 5,493.79-7,581.45-2,975.89

Finding the Fourth Proportional to 5,493.79, 7,581.45 and 2,975.89

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Solution

The fourth proportional to 5,493.79, 7,581.45 and 2,975.89 is: 4,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.79 : 7,581.45 = 2,975.89 : x
  2. Step 2: Convert to fraction form
    5,493.79/7,581.45 = 2,975.89/x
  3. Step 3: Cross multiply
    5,493.79x = 7,581.45 × 2,975.89
  4. Step 4: Simplify right side
    5,493.79x = 22,561,565.14
  5. Step 5: Solve for x
    x = 22,561,565.14/5,493.79
  6. Step 6: Final answer
    x = 4,106.74

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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.