Home / 7,257.02-10,886.99-4,138.52

Finding the Fourth Proportional to 7,257.02, 10,886.99 and 4,138.52

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Solution

The fourth proportional to 7,257.02, 10,886.99 and 4,138.52 is: 6,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.02 : 10,886.99 = 4,138.52 : x
  2. Step 2: Convert to fraction form
    7,257.02/10,886.99 = 4,138.52/x
  3. Step 3: Cross multiply
    7,257.02x = 10,886.99 × 4,138.52
  4. Step 4: Simplify right side
    7,257.02x = 45,056,025.85
  5. Step 5: Solve for x
    x = 45,056,025.85/7,257.02
  6. Step 6: Final answer
    x = 6,208.61

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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.