Home / 6,500.31-9,749.43-1,819.82

Finding the Fourth Proportional to 6,500.31, 9,749.43 and 1,819.82

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Solution

The fourth proportional to 6,500.31, 9,749.43 and 1,819.82 is: 2,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.31 : 9,749.43 = 1,819.82 : x
  2. Step 2: Convert to fraction form
    6,500.31/9,749.43 = 1,819.82/x
  3. Step 3: Cross multiply
    6,500.31x = 9,749.43 × 1,819.82
  4. Step 4: Simplify right side
    6,500.31x = 17,742,158.96
  5. Step 5: Solve for x
    x = 17,742,158.96/6,500.31
  6. Step 6: Final answer
    x = 2,729.43

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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.