Home / 7,407.05-10,221.80-4,049.96

Finding the Fourth Proportional to 7,407.05, 10,221.80 and 4,049.96

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Solution

The fourth proportional to 7,407.05, 10,221.80 and 4,049.96 is: 5,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.05 : 10,221.80 = 4,049.96 : x
  2. Step 2: Convert to fraction form
    7,407.05/10,221.80 = 4,049.96/x
  3. Step 3: Cross multiply
    7,407.05x = 10,221.80 × 4,049.96
  4. Step 4: Simplify right side
    7,407.05x = 41,397,809.77
  5. Step 5: Solve for x
    x = 41,397,809.77/7,407.05
  6. Step 6: Final answer
    x = 5,588.98

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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.