Home / 5,242.06-7,866.73-3,388.57

Finding the Fourth Proportional to 5,242.06, 7,866.73 and 3,388.57

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Solution

The fourth proportional to 5,242.06, 7,866.73 and 3,388.57 is: 5,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.06 : 7,866.73 = 3,388.57 : x
  2. Step 2: Convert to fraction form
    5,242.06/7,866.73 = 3,388.57/x
  3. Step 3: Cross multiply
    5,242.06x = 7,866.73 × 3,388.57
  4. Step 4: Simplify right side
    5,242.06x = 26,656,975.03
  5. Step 5: Solve for x
    x = 26,656,975.03/5,242.06
  6. Step 6: Final answer
    x = 5,085.21

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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.