Home / 6,959.01-10,438.38-1,764.75

Finding the Fourth Proportional to 6,959.01, 10,438.38 and 1,764.75

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Solution

The fourth proportional to 6,959.01, 10,438.38 and 1,764.75 is: 2,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.01 : 10,438.38 = 1,764.75 : x
  2. Step 2: Convert to fraction form
    6,959.01/10,438.38 = 1,764.75/x
  3. Step 3: Cross multiply
    6,959.01x = 10,438.38 × 1,764.75
  4. Step 4: Simplify right side
    6,959.01x = 18,421,131.11
  5. Step 5: Solve for x
    x = 18,421,131.11/6,959.01
  6. Step 6: Final answer
    x = 2,647.09

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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.