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Finding the Fourth Proportional to 7,984.02, 11,017.93 and 4,447.22

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Solution

The fourth proportional to 7,984.02, 11,017.93 and 4,447.22 is: 6,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.02 : 11,017.93 = 4,447.22 : x
  2. Step 2: Convert to fraction form
    7,984.02/11,017.93 = 4,447.22/x
  3. Step 3: Cross multiply
    7,984.02x = 11,017.93 × 4,447.22
  4. Step 4: Simplify right side
    7,984.02x = 48,999,158.65
  5. Step 5: Solve for x
    x = 48,999,158.65/7,984.02
  6. Step 6: Final answer
    x = 6,137.15

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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.