Home / 5,550.48-7,660.98-3,565.74

Finding the Fourth Proportional to 5,550.48, 7,660.98 and 3,565.74

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Solution

The fourth proportional to 5,550.48, 7,660.98 and 3,565.74 is: 4,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.48 : 7,660.98 = 3,565.74 : x
  2. Step 2: Convert to fraction form
    5,550.48/7,660.98 = 3,565.74/x
  3. Step 3: Cross multiply
    5,550.48x = 7,660.98 × 3,565.74
  4. Step 4: Simplify right side
    5,550.48x = 27,317,062.83
  5. Step 5: Solve for x
    x = 27,317,062.83/5,550.48
  6. Step 6: Final answer
    x = 4,921.57

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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.