Home / 4,200.24-6,312.84-2,818.80

Finding the Fourth Proportional to 4,200.24, 6,312.84 and 2,818.80

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Solution

The fourth proportional to 4,200.24, 6,312.84 and 2,818.80 is: 4,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.24 : 6,312.84 = 2,818.80 : x
  2. Step 2: Convert to fraction form
    4,200.24/6,312.84 = 2,818.80/x
  3. Step 3: Cross multiply
    4,200.24x = 6,312.84 × 2,818.80
  4. Step 4: Simplify right side
    4,200.24x = 17,794,633.39
  5. Step 5: Solve for x
    x = 17,794,633.39/4,200.24
  6. Step 6: Final answer
    x = 4,236.58

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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.