Home / 5,545.23-7,654.59-3,777.81

Finding the Fourth Proportional to 5,545.23, 7,654.59 and 3,777.81

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Solution

The fourth proportional to 5,545.23, 7,654.59 and 3,777.81 is: 5,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.23 : 7,654.59 = 3,777.81 : x
  2. Step 2: Convert to fraction form
    5,545.23/7,654.59 = 3,777.81/x
  3. Step 3: Cross multiply
    5,545.23x = 7,654.59 × 3,777.81
  4. Step 4: Simplify right side
    5,545.23x = 28,917,586.65
  5. Step 5: Solve for x
    x = 28,917,586.65/5,545.23
  6. Step 6: Final answer
    x = 5,214.86

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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.