Home / 6,987.54-10,479.78-2,057.52

Finding the Fourth Proportional to 6,987.54, 10,479.78 and 2,057.52

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Solution

The fourth proportional to 6,987.54, 10,479.78 and 2,057.52 is: 3,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.54 : 10,479.78 = 2,057.52 : x
  2. Step 2: Convert to fraction form
    6,987.54/10,479.78 = 2,057.52/x
  3. Step 3: Cross multiply
    6,987.54x = 10,479.78 × 2,057.52
  4. Step 4: Simplify right side
    6,987.54x = 21,562,356.95
  5. Step 5: Solve for x
    x = 21,562,356.95/6,987.54
  6. Step 6: Final answer
    x = 3,085.83

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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.