Home / 7,208.35-10,818.60-2,828.88

Finding the Fourth Proportional to 7,208.35, 10,818.60 and 2,828.88

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Solution

The fourth proportional to 7,208.35, 10,818.60 and 2,828.88 is: 4,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.35 : 10,818.60 = 2,828.88 : x
  2. Step 2: Convert to fraction form
    7,208.35/10,818.60 = 2,828.88/x
  3. Step 3: Cross multiply
    7,208.35x = 10,818.60 × 2,828.88
  4. Step 4: Simplify right side
    7,208.35x = 30,604,510.56
  5. Step 5: Solve for x
    x = 30,604,510.56/7,208.35
  6. Step 6: Final answer
    x = 4,245.70

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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.