Home / 5,221.71-7,206.29-2,953.61

Finding the Fourth Proportional to 5,221.71, 7,206.29 and 2,953.61

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Solution

The fourth proportional to 5,221.71, 7,206.29 and 2,953.61 is: 4,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.71 : 7,206.29 = 2,953.61 : x
  2. Step 2: Convert to fraction form
    5,221.71/7,206.29 = 2,953.61/x
  3. Step 3: Cross multiply
    5,221.71x = 7,206.29 × 2,953.61
  4. Step 4: Simplify right side
    5,221.71x = 21,284,530.48
  5. Step 5: Solve for x
    x = 21,284,530.48/5,221.71
  6. Step 6: Final answer
    x = 4,076.16

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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.