Home / 7,388.99-10,198.13-4,405.02

Finding the Fourth Proportional to 7,388.99, 10,198.13 and 4,405.02

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Solution

The fourth proportional to 7,388.99, 10,198.13 and 4,405.02 is: 6,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.99 : 10,198.13 = 4,405.02 : x
  2. Step 2: Convert to fraction form
    7,388.99/10,198.13 = 4,405.02/x
  3. Step 3: Cross multiply
    7,388.99x = 10,198.13 × 4,405.02
  4. Step 4: Simplify right side
    7,388.99x = 44,922,966.61
  5. Step 5: Solve for x
    x = 44,922,966.61/7,388.99
  6. Step 6: Final answer
    x = 6,079.72

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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.