Home / 7,484.79-11,224.45-2,218.38

Finding the Fourth Proportional to 7,484.79, 11,224.45 and 2,218.38

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Solution

The fourth proportional to 7,484.79, 11,224.45 and 2,218.38 is: 3,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.79 : 11,224.45 = 2,218.38 : x
  2. Step 2: Convert to fraction form
    7,484.79/11,224.45 = 2,218.38/x
  3. Step 3: Cross multiply
    7,484.79x = 11,224.45 × 2,218.38
  4. Step 4: Simplify right side
    7,484.79x = 24,900,095.39
  5. Step 5: Solve for x
    x = 24,900,095.39/7,484.79
  6. Step 6: Final answer
    x = 3,326.76

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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.