Home / 5,008.20-7,501.35-2,538.78

Finding the Fourth Proportional to 5,008.20, 7,501.35 and 2,538.78

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Solution

The fourth proportional to 5,008.20, 7,501.35 and 2,538.78 is: 3,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.20 : 7,501.35 = 2,538.78 : x
  2. Step 2: Convert to fraction form
    5,008.20/7,501.35 = 2,538.78/x
  3. Step 3: Cross multiply
    5,008.20x = 7,501.35 × 2,538.78
  4. Step 4: Simplify right side
    5,008.20x = 19,044,277.35
  5. Step 5: Solve for x
    x = 19,044,277.35/5,008.20
  6. Step 6: Final answer
    x = 3,802.62

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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.