Home / 5,577.78-8,355.51-3,355.39

Finding the Fourth Proportional to 5,577.78, 8,355.51 and 3,355.39

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Solution

The fourth proportional to 5,577.78, 8,355.51 and 3,355.39 is: 5,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.78 : 8,355.51 = 3,355.39 : x
  2. Step 2: Convert to fraction form
    5,577.78/8,355.51 = 3,355.39/x
  3. Step 3: Cross multiply
    5,577.78x = 8,355.51 × 3,355.39
  4. Step 4: Simplify right side
    5,577.78x = 28,035,952.92
  5. Step 5: Solve for x
    x = 28,035,952.92/5,577.78
  6. Step 6: Final answer
    x = 5,026.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.