Home / 5,349.51-8,020.85-2,231.69

Finding the Fourth Proportional to 5,349.51, 8,020.85 and 2,231.69

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Solution

The fourth proportional to 5,349.51, 8,020.85 and 2,231.69 is: 3,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.51 : 8,020.85 = 2,231.69 : x
  2. Step 2: Convert to fraction form
    5,349.51/8,020.85 = 2,231.69/x
  3. Step 3: Cross multiply
    5,349.51x = 8,020.85 × 2,231.69
  4. Step 4: Simplify right side
    5,349.51x = 17,899,999.47
  5. Step 5: Solve for x
    x = 17,899,999.47/5,349.51
  6. Step 6: Final answer
    x = 3,346.10

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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.