Home / 6,899.40-10,343.30-3,000.87

Finding the Fourth Proportional to 6,899.40, 10,343.30 and 3,000.87

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Solution

The fourth proportional to 6,899.40, 10,343.30 and 3,000.87 is: 4,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.40 : 10,343.30 = 3,000.87 : x
  2. Step 2: Convert to fraction form
    6,899.40/10,343.30 = 3,000.87/x
  3. Step 3: Cross multiply
    6,899.40x = 10,343.30 × 3,000.87
  4. Step 4: Simplify right side
    6,899.40x = 31,038,883.67
  5. Step 5: Solve for x
    x = 31,038,883.67/6,899.40
  6. Step 6: Final answer
    x = 4,498.78

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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.