Home / 5,331.24-7,993.80-1,820.10

Finding the Fourth Proportional to 5,331.24, 7,993.80 and 1,820.10

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Solution

The fourth proportional to 5,331.24, 7,993.80 and 1,820.10 is: 2,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.24 : 7,993.80 = 1,820.10 : x
  2. Step 2: Convert to fraction form
    5,331.24/7,993.80 = 1,820.10/x
  3. Step 3: Cross multiply
    5,331.24x = 7,993.80 × 1,820.10
  4. Step 4: Simplify right side
    5,331.24x = 14,549,515.38
  5. Step 5: Solve for x
    x = 14,549,515.38/5,331.24
  6. Step 6: Final answer
    x = 2,729.11

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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.