Home / 5,388.38-7,435.68-3,030.44

Finding the Fourth Proportional to 5,388.38, 7,435.68 and 3,030.44

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Solution

The fourth proportional to 5,388.38, 7,435.68 and 3,030.44 is: 4,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.38 : 7,435.68 = 3,030.44 : x
  2. Step 2: Convert to fraction form
    5,388.38/7,435.68 = 3,030.44/x
  3. Step 3: Cross multiply
    5,388.38x = 7,435.68 × 3,030.44
  4. Step 4: Simplify right side
    5,388.38x = 22,533,382.10
  5. Step 5: Solve for x
    x = 22,533,382.10/5,388.38
  6. Step 6: Final answer
    x = 4,181.85

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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.