Home / 6,489.36-9,733.08-2,106.24

Finding the Fourth Proportional to 6,489.36, 9,733.08 and 2,106.24

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Solution

The fourth proportional to 6,489.36, 9,733.08 and 2,106.24 is: 3,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489.36 : 9,733.08 = 2,106.24 : x
  2. Step 2: Convert to fraction form
    6,489.36/9,733.08 = 2,106.24/x
  3. Step 3: Cross multiply
    6,489.36x = 9,733.08 × 2,106.24
  4. Step 4: Simplify right side
    6,489.36x = 20,500,202.42
  5. Step 5: Solve for x
    x = 20,500,202.42/6,489.36
  6. Step 6: Final answer
    x = 3,159.05

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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.