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Finding the Fourth Proportional to 7,225.68, 9,968.49 and 4,393.11

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Solution

The fourth proportional to 7,225.68, 9,968.49 and 4,393.11 is: 6,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.68 : 9,968.49 = 4,393.11 : x
  2. Step 2: Convert to fraction form
    7,225.68/9,968.49 = 4,393.11/x
  3. Step 3: Cross multiply
    7,225.68x = 9,968.49 × 4,393.11
  4. Step 4: Simplify right side
    7,225.68x = 43,792,673.10
  5. Step 5: Solve for x
    x = 43,792,673.10/7,225.68
  6. Step 6: Final answer
    x = 6,060.70

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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.