Home / 4,694.78-6,478.80-2,705.42

Finding the Fourth Proportional to 4,694.78, 6,478.80 and 2,705.42

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Solution

The fourth proportional to 4,694.78, 6,478.80 and 2,705.42 is: 3,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.78 : 6,478.80 = 2,705.42 : x
  2. Step 2: Convert to fraction form
    4,694.78/6,478.80 = 2,705.42/x
  3. Step 3: Cross multiply
    4,694.78x = 6,478.80 × 2,705.42
  4. Step 4: Simplify right side
    4,694.78x = 17,527,875.10
  5. Step 5: Solve for x
    x = 17,527,875.10/4,694.78
  6. Step 6: Final answer
    x = 3,733.48

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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.