Home / 6,499.49-9,748.21-1,818.97

Finding the Fourth Proportional to 6,499.49, 9,748.21 and 1,818.97

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Solution

The fourth proportional to 6,499.49, 9,748.21 and 1,818.97 is: 2,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499.49 : 9,748.21 = 1,818.97 : x
  2. Step 2: Convert to fraction form
    6,499.49/9,748.21 = 1,818.97/x
  3. Step 3: Cross multiply
    6,499.49x = 9,748.21 × 1,818.97
  4. Step 4: Simplify right side
    6,499.49x = 17,731,692.30
  5. Step 5: Solve for x
    x = 17,731,692.30/6,499.49
  6. Step 6: Final answer
    x = 2,728.17

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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.