Home / 5,722.94-7,897.68-3,205.06

Finding the Fourth Proportional to 5,722.94, 7,897.68 and 3,205.06

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Solution

The fourth proportional to 5,722.94, 7,897.68 and 3,205.06 is: 4,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.94 : 7,897.68 = 3,205.06 : x
  2. Step 2: Convert to fraction form
    5,722.94/7,897.68 = 3,205.06/x
  3. Step 3: Cross multiply
    5,722.94x = 7,897.68 × 3,205.06
  4. Step 4: Simplify right side
    5,722.94x = 25,312,518.52
  5. Step 5: Solve for x
    x = 25,312,518.52/5,722.94
  6. Step 6: Final answer
    x = 4,422.99

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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.