Home / 5,221.07-7,832.06-1,325.48

Finding the Fourth Proportional to 5,221.07, 7,832.06 and 1,325.48

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Solution

The fourth proportional to 5,221.07, 7,832.06 and 1,325.48 is: 1,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.07 : 7,832.06 = 1,325.48 : x
  2. Step 2: Convert to fraction form
    5,221.07/7,832.06 = 1,325.48/x
  3. Step 3: Cross multiply
    5,221.07x = 7,832.06 × 1,325.48
  4. Step 4: Simplify right side
    5,221.07x = 10,381,199.73
  5. Step 5: Solve for x
    x = 10,381,199.73/5,221.07
  6. Step 6: Final answer
    x = 1,988.33

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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.