Home / 6,003.85-8,285.78-3,315.59

Finding the Fourth Proportional to 6,003.85, 8,285.78 and 3,315.59

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Solution

The fourth proportional to 6,003.85, 8,285.78 and 3,315.59 is: 4,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.85 : 8,285.78 = 3,315.59 : x
  2. Step 2: Convert to fraction form
    6,003.85/8,285.78 = 3,315.59/x
  3. Step 3: Cross multiply
    6,003.85x = 8,285.78 × 3,315.59
  4. Step 4: Simplify right side
    6,003.85x = 27,472,249.31
  5. Step 5: Solve for x
    x = 27,472,249.31/6,003.85
  6. Step 6: Final answer
    x = 4,575.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.