Home / 7,220.88-10,833.12-3,058.74

Finding the Fourth Proportional to 7,220.88, 10,833.12 and 3,058.74

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Solution

The fourth proportional to 7,220.88, 10,833.12 and 3,058.74 is: 4,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.88 : 10,833.12 = 3,058.74 : x
  2. Step 2: Convert to fraction form
    7,220.88/10,833.12 = 3,058.74/x
  3. Step 3: Cross multiply
    7,220.88x = 10,833.12 × 3,058.74
  4. Step 4: Simplify right side
    7,220.88x = 33,135,697.47
  5. Step 5: Solve for x
    x = 33,135,697.47/7,220.88
  6. Step 6: Final answer
    x = 4,588.87

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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.