Home / 5,411.20-7,467.45-2,927.20

Finding the Fourth Proportional to 5,411.20, 7,467.45 and 2,927.20

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Solution

The fourth proportional to 5,411.20, 7,467.45 and 2,927.20 is: 4,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.20 : 7,467.45 = 2,927.20 : x
  2. Step 2: Convert to fraction form
    5,411.20/7,467.45 = 2,927.20/x
  3. Step 3: Cross multiply
    5,411.20x = 7,467.45 × 2,927.20
  4. Step 4: Simplify right side
    5,411.20x = 21,858,719.64
  5. Step 5: Solve for x
    x = 21,858,719.64/5,411.20
  6. Step 6: Final answer
    x = 4,039.53

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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.