Home / 6,442.56-8,892.40-3,790.84

Finding the Fourth Proportional to 6,442.56, 8,892.40 and 3,790.84

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Solution

The fourth proportional to 6,442.56, 8,892.40 and 3,790.84 is: 5,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.56 : 8,892.40 = 3,790.84 : x
  2. Step 2: Convert to fraction form
    6,442.56/8,892.40 = 3,790.84/x
  3. Step 3: Cross multiply
    6,442.56x = 8,892.40 × 3,790.84
  4. Step 4: Simplify right side
    6,442.56x = 33,709,665.62
  5. Step 5: Solve for x
    x = 33,709,665.62/6,442.56
  6. Step 6: Final answer
    x = 5,232.34

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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.