Home / 6,281.36-9,422.27-3,159.68

Finding the Fourth Proportional to 6,281.36, 9,422.27 and 3,159.68

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Solution

The fourth proportional to 6,281.36, 9,422.27 and 3,159.68 is: 4,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.36 : 9,422.27 = 3,159.68 : x
  2. Step 2: Convert to fraction form
    6,281.36/9,422.27 = 3,159.68/x
  3. Step 3: Cross multiply
    6,281.36x = 9,422.27 × 3,159.68
  4. Step 4: Simplify right side
    6,281.36x = 29,771,324.79
  5. Step 5: Solve for x
    x = 29,771,324.79/6,281.36
  6. Step 6: Final answer
    x = 4,739.63

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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.