Home / 7,243.12-9,994.84-4,098.80

Finding the Fourth Proportional to 7,243.12, 9,994.84 and 4,098.80

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Solution

The fourth proportional to 7,243.12, 9,994.84 and 4,098.80 is: 5,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.12 : 9,994.84 = 4,098.80 : x
  2. Step 2: Convert to fraction form
    7,243.12/9,994.84 = 4,098.80/x
  3. Step 3: Cross multiply
    7,243.12x = 9,994.84 × 4,098.80
  4. Step 4: Simplify right side
    7,243.12x = 40,966,850.19
  5. Step 5: Solve for x
    x = 40,966,850.19/7,243.12
  6. Step 6: Final answer
    x = 5,655.97

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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.