Home / 5,687.08-7,846.95-4,272.28

Finding the Fourth Proportional to 5,687.08, 7,846.95 and 4,272.28

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Solution

The fourth proportional to 5,687.08, 7,846.95 and 4,272.28 is: 5,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.08 : 7,846.95 = 4,272.28 : x
  2. Step 2: Convert to fraction form
    5,687.08/7,846.95 = 4,272.28/x
  3. Step 3: Cross multiply
    5,687.08x = 7,846.95 × 4,272.28
  4. Step 4: Simplify right side
    5,687.08x = 33,524,367.55
  5. Step 5: Solve for x
    x = 33,524,367.55/5,687.08
  6. Step 6: Final answer
    x = 5,894.83

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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.