Home / 5,739.54-8,587.56-3,400.80

Finding the Fourth Proportional to 5,739.54, 8,587.56 and 3,400.80

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Solution

The fourth proportional to 5,739.54, 8,587.56 and 3,400.80 is: 5,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.54 : 8,587.56 = 3,400.80 : x
  2. Step 2: Convert to fraction form
    5,739.54/8,587.56 = 3,400.80/x
  3. Step 3: Cross multiply
    5,739.54x = 8,587.56 × 3,400.80
  4. Step 4: Simplify right side
    5,739.54x = 29,204,574.05
  5. Step 5: Solve for x
    x = 29,204,574.05/5,739.54
  6. Step 6: Final answer
    x = 5,088.31

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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.