Home / 3,718.27-5,124.45-3,611.65

Finding the Fourth Proportional to 3,718.27, 5,124.45 and 3,611.65

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Solution

The fourth proportional to 3,718.27, 5,124.45 and 3,611.65 is: 4,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.27 : 5,124.45 = 3,611.65 : x
  2. Step 2: Convert to fraction form
    3,718.27/5,124.45 = 3,611.65/x
  3. Step 3: Cross multiply
    3,718.27x = 5,124.45 × 3,611.65
  4. Step 4: Simplify right side
    3,718.27x = 18,507,719.84
  5. Step 5: Solve for x
    x = 18,507,719.84/3,718.27
  6. Step 6: Final answer
    x = 4,977.51

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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.