Home / 9,335.09-12,884.31-5,358.93

Finding the Fourth Proportional to 9,335.09, 12,884.31 and 5,358.93

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Solution

The fourth proportional to 9,335.09, 12,884.31 and 5,358.93 is: 7,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.09 : 12,884.31 = 5,358.93 : x
  2. Step 2: Convert to fraction form
    9,335.09/12,884.31 = 5,358.93/x
  3. Step 3: Cross multiply
    9,335.09x = 12,884.31 × 5,358.93
  4. Step 4: Simplify right side
    9,335.09x = 69,046,115.39
  5. Step 5: Solve for x
    x = 69,046,115.39/9,335.09
  6. Step 6: Final answer
    x = 7,396.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.