Home / 4,324.24-6,486.90-1,403.56

Finding the Fourth Proportional to 4,324.24, 6,486.90 and 1,403.56

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Solution

The fourth proportional to 4,324.24, 6,486.90 and 1,403.56 is: 2,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.24 : 6,486.90 = 1,403.56 : x
  2. Step 2: Convert to fraction form
    4,324.24/6,486.90 = 1,403.56/x
  3. Step 3: Cross multiply
    4,324.24x = 6,486.90 × 1,403.56
  4. Step 4: Simplify right side
    4,324.24x = 9,104,753.36
  5. Step 5: Solve for x
    x = 9,104,753.36/4,324.24
  6. Step 6: Final answer
    x = 2,105.52

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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.