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Finding the Fourth Proportional to 6,287.22, 8,667 and 4,048.65

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Solution

The fourth proportional to 6,287.22, 8,667 and 4,048.65 is: 5,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.22 : 8,667 = 4,048.65 : x
  2. Step 2: Convert to fraction form
    6,287.22/8,667 = 4,048.65/x
  3. Step 3: Cross multiply
    6,287.22x = 8,667 × 4,048.65
  4. Step 4: Simplify right side
    6,287.22x = 35,089,649.55
  5. Step 5: Solve for x
    x = 35,089,649.55/6,287.22
  6. Step 6: Final answer
    x = 5,581.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.