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Finding the Fourth Proportional to 5,281.97, 7,925.07 and 1,995.99

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Solution

The fourth proportional to 5,281.97, 7,925.07 and 1,995.99 is: 2,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.97 : 7,925.07 = 1,995.99 : x
  2. Step 2: Convert to fraction form
    5,281.97/7,925.07 = 1,995.99/x
  3. Step 3: Cross multiply
    5,281.97x = 7,925.07 × 1,995.99
  4. Step 4: Simplify right side
    5,281.97x = 15,818,360.47
  5. Step 5: Solve for x
    x = 15,818,360.47/5,281.97
  6. Step 6: Final answer
    x = 2,994.79

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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.