Home / 6,855.76-10,283.64-5,335.12

Finding the Fourth Proportional to 6,855.76, 10,283.64 and 5,335.12

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Solution

The fourth proportional to 6,855.76, 10,283.64 and 5,335.12 is: 8,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.76 : 10,283.64 = 5,335.12 : x
  2. Step 2: Convert to fraction form
    6,855.76/10,283.64 = 5,335.12/x
  3. Step 3: Cross multiply
    6,855.76x = 10,283.64 × 5,335.12
  4. Step 4: Simplify right side
    6,855.76x = 54,864,453.44
  5. Step 5: Solve for x
    x = 54,864,453.44/6,855.76
  6. Step 6: Final answer
    x = 8,002.68

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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.