Home / 6,118.46-8,443.78-3,465.70

Finding the Fourth Proportional to 6,118.46, 8,443.78 and 3,465.70

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Solution

The fourth proportional to 6,118.46, 8,443.78 and 3,465.70 is: 4,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.46 : 8,443.78 = 3,465.70 : x
  2. Step 2: Convert to fraction form
    6,118.46/8,443.78 = 3,465.70/x
  3. Step 3: Cross multiply
    6,118.46x = 8,443.78 × 3,465.70
  4. Step 4: Simplify right side
    6,118.46x = 29,263,608.35
  5. Step 5: Solve for x
    x = 29,263,608.35/6,118.46
  6. Step 6: Final answer
    x = 4,782.84

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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.