Home / 4,357.12-6,536.78-1,891.34

Finding the Fourth Proportional to 4,357.12, 6,536.78 and 1,891.34

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Solution

The fourth proportional to 4,357.12, 6,536.78 and 1,891.34 is: 2,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.12 : 6,536.78 = 1,891.34 : x
  2. Step 2: Convert to fraction form
    4,357.12/6,536.78 = 1,891.34/x
  3. Step 3: Cross multiply
    4,357.12x = 6,536.78 × 1,891.34
  4. Step 4: Simplify right side
    4,357.12x = 12,363,273.49
  5. Step 5: Solve for x
    x = 12,363,273.49/4,357.12
  6. Step 6: Final answer
    x = 2,837.49

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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.