Home / 7,860.15-11,789.28-2,016.36

Finding the Fourth Proportional to 7,860.15, 11,789.28 and 2,016.36

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Solution

The fourth proportional to 7,860.15, 11,789.28 and 2,016.36 is: 3,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.15 : 11,789.28 = 2,016.36 : x
  2. Step 2: Convert to fraction form
    7,860.15/11,789.28 = 2,016.36/x
  3. Step 3: Cross multiply
    7,860.15x = 11,789.28 × 2,016.36
  4. Step 4: Simplify right side
    7,860.15x = 23,771,432.62
  5. Step 5: Solve for x
    x = 23,771,432.62/7,860.15
  6. Step 6: Final answer
    x = 3,024.30

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1.5x scale

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.