Home / 6,442.20-8,889.48-3,790.26

Finding the Fourth Proportional to 6,442.20, 8,889.48 and 3,790.26

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Solution

The fourth proportional to 6,442.20, 8,889.48 and 3,790.26 is: 5,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.20 : 8,889.48 = 3,790.26 : x
  2. Step 2: Convert to fraction form
    6,442.20/8,889.48 = 3,790.26/x
  3. Step 3: Cross multiply
    6,442.20x = 8,889.48 × 3,790.26
  4. Step 4: Simplify right side
    6,442.20x = 33,693,440.46
  5. Step 5: Solve for x
    x = 33,693,440.46/6,442.20
  6. Step 6: Final answer
    x = 5,230.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.