Home / 9,326.32-13,988.86-2,756.82

Finding the Fourth Proportional to 9,326.32, 13,988.86 and 2,756.82

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Solution

The fourth proportional to 9,326.32, 13,988.86 and 2,756.82 is: 4,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.32 : 13,988.86 = 2,756.82 : x
  2. Step 2: Convert to fraction form
    9,326.32/13,988.86 = 2,756.82/x
  3. Step 3: Cross multiply
    9,326.32x = 13,988.86 × 2,756.82
  4. Step 4: Simplify right side
    9,326.32x = 38,564,769.03
  5. Step 5: Solve for x
    x = 38,564,769.03/9,326.32
  6. Step 6: Final answer
    x = 4,135.05

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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.