Home / 5,410.71-8,117.37-2,777.13

Finding the Fourth Proportional to 5,410.71, 8,117.37 and 2,777.13

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Solution

The fourth proportional to 5,410.71, 8,117.37 and 2,777.13 is: 4,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.71 : 8,117.37 = 2,777.13 : x
  2. Step 2: Convert to fraction form
    5,410.71/8,117.37 = 2,777.13/x
  3. Step 3: Cross multiply
    5,410.71x = 8,117.37 × 2,777.13
  4. Step 4: Simplify right side
    5,410.71x = 22,542,991.75
  5. Step 5: Solve for x
    x = 22,542,991.75/5,410.71
  6. Step 6: Final answer
    x = 4,166.36

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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.