Home / 9,338.38-12,886.93-5,089.68

Finding the Fourth Proportional to 9,338.38, 12,886.93 and 5,089.68

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Solution

The fourth proportional to 9,338.38, 12,886.93 and 5,089.68 is: 7,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.38 : 12,886.93 = 5,089.68 : x
  2. Step 2: Convert to fraction form
    9,338.38/12,886.93 = 5,089.68/x
  3. Step 3: Cross multiply
    9,338.38x = 12,886.93 × 5,089.68
  4. Step 4: Simplify right side
    9,338.38x = 65,590,349.88
  5. Step 5: Solve for x
    x = 65,590,349.88/9,338.38
  6. Step 6: Final answer
    x = 7,023.74

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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.