Home / 6,860.82-10,285.61-4,395

Finding the Fourth Proportional to 6,860.82, 10,285.61 and 4,395

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Solution

The fourth proportional to 6,860.82, 10,285.61 and 4,395 is: 6,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.82 : 10,285.61 = 4,395 : x
  2. Step 2: Convert to fraction form
    6,860.82/10,285.61 = 4,395/x
  3. Step 3: Cross multiply
    6,860.82x = 10,285.61 × 4,395
  4. Step 4: Simplify right side
    6,860.82x = 45,205,233.98
  5. Step 5: Solve for x
    x = 45,205,233.98/6,860.82
  6. Step 6: Final answer
    x = 6,588.90

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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.