Home / 6,745.02-10,116.78-1,815.12

Finding the Fourth Proportional to 6,745.02, 10,116.78 and 1,815.12

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Solution

The fourth proportional to 6,745.02, 10,116.78 and 1,815.12 is: 2,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.02 : 10,116.78 = 1,815.12 : x
  2. Step 2: Convert to fraction form
    6,745.02/10,116.78 = 1,815.12/x
  3. Step 3: Cross multiply
    6,745.02x = 10,116.78 × 1,815.12
  4. Step 4: Simplify right side
    6,745.02x = 18,363,169.71
  5. Step 5: Solve for x
    x = 18,363,169.71/6,745.02
  6. Step 6: Final answer
    x = 2,722.48

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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.