Home / 9,326.40-13,988.48-3,481.44

Finding the Fourth Proportional to 9,326.40, 13,988.48 and 3,481.44

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Solution

The fourth proportional to 9,326.40, 13,988.48 and 3,481.44 is: 5,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.40 : 13,988.48 = 3,481.44 : x
  2. Step 2: Convert to fraction form
    9,326.40/13,988.48 = 3,481.44/x
  3. Step 3: Cross multiply
    9,326.40x = 13,988.48 × 3,481.44
  4. Step 4: Simplify right side
    9,326.40x = 48,700,053.81
  5. Step 5: Solve for x
    x = 48,700,053.81/9,326.40
  6. Step 6: Final answer
    x = 5,221.74

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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.