Home / 5,419.08-7,477.92-3,061.44

Finding the Fourth Proportional to 5,419.08, 7,477.92 and 3,061.44

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Solution

The fourth proportional to 5,419.08, 7,477.92 and 3,061.44 is: 4,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.08 : 7,477.92 = 3,061.44 : x
  2. Step 2: Convert to fraction form
    5,419.08/7,477.92 = 3,061.44/x
  3. Step 3: Cross multiply
    5,419.08x = 7,477.92 × 3,061.44
  4. Step 4: Simplify right side
    5,419.08x = 22,893,203.40
  5. Step 5: Solve for x
    x = 22,893,203.40/5,419.08
  6. Step 6: Final answer
    x = 4,224.56

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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.