Home / 6,818.98-10,228.59-2,138.89

Finding the Fourth Proportional to 6,818.98, 10,228.59 and 2,138.89

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Solution

The fourth proportional to 6,818.98, 10,228.59 and 2,138.89 is: 3,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.98 : 10,228.59 = 2,138.89 : x
  2. Step 2: Convert to fraction form
    6,818.98/10,228.59 = 2,138.89/x
  3. Step 3: Cross multiply
    6,818.98x = 10,228.59 × 2,138.89
  4. Step 4: Simplify right side
    6,818.98x = 21,877,803.29
  5. Step 5: Solve for x
    x = 21,877,803.29/6,818.98
  6. Step 6: Final answer
    x = 3,208.37

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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.