Home / 6,927.99-10,390.68-1,862.25

Finding the Fourth Proportional to 6,927.99, 10,390.68 and 1,862.25

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Solution

The fourth proportional to 6,927.99, 10,390.68 and 1,862.25 is: 2,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.99 : 10,390.68 = 1,862.25 : x
  2. Step 2: Convert to fraction form
    6,927.99/10,390.68 = 1,862.25/x
  3. Step 3: Cross multiply
    6,927.99x = 10,390.68 × 1,862.25
  4. Step 4: Simplify right side
    6,927.99x = 19,350,043.83
  5. Step 5: Solve for x
    x = 19,350,043.83/6,927.99
  6. Step 6: Final answer
    x = 2,793.02

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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.