Home / 4,222.47-5,827.17-2,803.71

Finding the Fourth Proportional to 4,222.47, 5,827.17 and 2,803.71

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Solution

The fourth proportional to 4,222.47, 5,827.17 and 2,803.71 is: 3,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.47 : 5,827.17 = 2,803.71 : x
  2. Step 2: Convert to fraction form
    4,222.47/5,827.17 = 2,803.71/x
  3. Step 3: Cross multiply
    4,222.47x = 5,827.17 × 2,803.71
  4. Step 4: Simplify right side
    4,222.47x = 16,337,675.51
  5. Step 5: Solve for x
    x = 16,337,675.51/4,222.47
  6. Step 6: Final answer
    x = 3,869.23

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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.