Home / 6,118.70-8,447.88-4,699.85

Finding the Fourth Proportional to 6,118.70, 8,447.88 and 4,699.85

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Solution

The fourth proportional to 6,118.70, 8,447.88 and 4,699.85 is: 6,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.70 : 8,447.88 = 4,699.85 : x
  2. Step 2: Convert to fraction form
    6,118.70/8,447.88 = 4,699.85/x
  3. Step 3: Cross multiply
    6,118.70x = 8,447.88 × 4,699.85
  4. Step 4: Simplify right side
    6,118.70x = 39,703,775.83
  5. Step 5: Solve for x
    x = 39,703,775.83/6,118.70
  6. Step 6: Final answer
    x = 6,488.92

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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.