Home / 4,285.52-6,425.50-2,820.22

Finding the Fourth Proportional to 4,285.52, 6,425.50 and 2,820.22

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Solution

The fourth proportional to 4,285.52, 6,425.50 and 2,820.22 is: 4,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.52 : 6,425.50 = 2,820.22 : x
  2. Step 2: Convert to fraction form
    4,285.52/6,425.50 = 2,820.22/x
  3. Step 3: Cross multiply
    4,285.52x = 6,425.50 × 2,820.22
  4. Step 4: Simplify right side
    4,285.52x = 18,121,323.61
  5. Step 5: Solve for x
    x = 18,121,323.61/4,285.52
  6. Step 6: Final answer
    x = 4,228.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.