Home / 7,351.47-10,144.80-3,994.16

Finding the Fourth Proportional to 7,351.47, 10,144.80 and 3,994.16

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Solution

The fourth proportional to 7,351.47, 10,144.80 and 3,994.16 is: 5,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.47 : 10,144.80 = 3,994.16 : x
  2. Step 2: Convert to fraction form
    7,351.47/10,144.80 = 3,994.16/x
  3. Step 3: Cross multiply
    7,351.47x = 10,144.80 × 3,994.16
  4. Step 4: Simplify right side
    7,351.47x = 40,519,903.64
  5. Step 5: Solve for x
    x = 40,519,903.64/7,351.47
  6. Step 6: Final answer
    x = 5,511.81

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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.