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Finding the Fourth Proportional to 9,309.01, 13,968.07 and 4,379.15

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Solution

The fourth proportional to 9,309.01, 13,968.07 and 4,379.15 is: 6,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.01 : 13,968.07 = 4,379.15 : x
  2. Step 2: Convert to fraction form
    9,309.01/13,968.07 = 4,379.15/x
  3. Step 3: Cross multiply
    9,309.01x = 13,968.07 × 4,379.15
  4. Step 4: Simplify right side
    9,309.01x = 61,168,273.74
  5. Step 5: Solve for x
    x = 61,168,273.74/9,309.01
  6. Step 6: Final answer
    x = 6,570.87

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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.