Home / 9,249-12,769.78-5,473.37

Finding the Fourth Proportional to 9,249, 12,769.78 and 5,473.37

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Solution

The fourth proportional to 9,249, 12,769.78 and 5,473.37 is: 7,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249 : 12,769.78 = 5,473.37 : x
  2. Step 2: Convert to fraction form
    9,249/12,769.78 = 5,473.37/x
  3. Step 3: Cross multiply
    9,249x = 12,769.78 × 5,473.37
  4. Step 4: Simplify right side
    9,249x = 69,893,730.76
  5. Step 5: Solve for x
    x = 69,893,730.76/9,249
  6. Step 6: Final answer
    x = 7,556.90

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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.