Home / 6,775.30-10,143.78-4,303.99

Finding the Fourth Proportional to 6,775.30, 10,143.78 and 4,303.99

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Solution

The fourth proportional to 6,775.30, 10,143.78 and 4,303.99 is: 6,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.30 : 10,143.78 = 4,303.99 : x
  2. Step 2: Convert to fraction form
    6,775.30/10,143.78 = 4,303.99/x
  3. Step 3: Cross multiply
    6,775.30x = 10,143.78 × 4,303.99
  4. Step 4: Simplify right side
    6,775.30x = 43,658,727.68
  5. Step 5: Solve for x
    x = 43,658,727.68/6,775.30
  6. Step 6: Final answer
    x = 6,443.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.