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Finding the Fourth Proportional to 5,087.68, 7,630.88 and 1,799.84

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Solution

The fourth proportional to 5,087.68, 7,630.88 and 1,799.84 is: 2,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.68 : 7,630.88 = 1,799.84 : x
  2. Step 2: Convert to fraction form
    5,087.68/7,630.88 = 1,799.84/x
  3. Step 3: Cross multiply
    5,087.68x = 7,630.88 × 1,799.84
  4. Step 4: Simplify right side
    5,087.68x = 13,734,363.06
  5. Step 5: Solve for x
    x = 13,734,363.06/5,087.68
  6. Step 6: Final answer
    x = 2,699.53

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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.