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Finding the Fourth Proportional to 9,079.44, 13,600.93 and 6,619.47

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Solution

The fourth proportional to 9,079.44, 13,600.93 and 6,619.47 is: 9,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.44 : 13,600.93 = 6,619.47 : x
  2. Step 2: Convert to fraction form
    9,079.44/13,600.93 = 6,619.47/x
  3. Step 3: Cross multiply
    9,079.44x = 13,600.93 × 6,619.47
  4. Step 4: Simplify right side
    9,079.44x = 90,030,948.11
  5. Step 5: Solve for x
    x = 90,030,948.11/9,079.44
  6. Step 6: Final answer
    x = 9,915.91

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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.