Home / 5,419.20-7,477.74-3,029.07

Finding the Fourth Proportional to 5,419.20, 7,477.74 and 3,029.07

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Solution

The fourth proportional to 5,419.20, 7,477.74 and 3,029.07 is: 4,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.20 : 7,477.74 = 3,029.07 : x
  2. Step 2: Convert to fraction form
    5,419.20/7,477.74 = 3,029.07/x
  3. Step 3: Cross multiply
    5,419.20x = 7,477.74 × 3,029.07
  4. Step 4: Simplify right side
    5,419.20x = 22,650,597.90
  5. Step 5: Solve for x
    x = 22,650,597.90/5,419.20
  6. Step 6: Final answer
    x = 4,179.69

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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.