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Finding the Fourth Proportional to 6,679.88, 10,019.05 and 1,750

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Solution

The fourth proportional to 6,679.88, 10,019.05 and 1,750 is: 2,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.88 : 10,019.05 = 1,750 : x
  2. Step 2: Convert to fraction form
    6,679.88/10,019.05 = 1,750/x
  3. Step 3: Cross multiply
    6,679.88x = 10,019.05 × 1,750
  4. Step 4: Simplify right side
    6,679.88x = 17,533,337.50
  5. Step 5: Solve for x
    x = 17,533,337.50/6,679.88
  6. Step 6: Final answer
    x = 2,624.80

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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.