Home / 4,598.20-6,894.78-3,138.94

Finding the Fourth Proportional to 4,598.20, 6,894.78 and 3,138.94

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Solution

The fourth proportional to 4,598.20, 6,894.78 and 3,138.94 is: 4,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,598.20 : 6,894.78 = 3,138.94 : x
  2. Step 2: Convert to fraction form
    4,598.20/6,894.78 = 3,138.94/x
  3. Step 3: Cross multiply
    4,598.20x = 6,894.78 × 3,138.94
  4. Step 4: Simplify right side
    4,598.20x = 21,642,300.73
  5. Step 5: Solve for x
    x = 21,642,300.73/4,598.20
  6. Step 6: Final answer
    x = 4,706.69

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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.