Home / 4,705.47-7,057.17-1,929.42

Finding the Fourth Proportional to 4,705.47, 7,057.17 and 1,929.42

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Solution

The fourth proportional to 4,705.47, 7,057.17 and 1,929.42 is: 2,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.47 : 7,057.17 = 1,929.42 : x
  2. Step 2: Convert to fraction form
    4,705.47/7,057.17 = 1,929.42/x
  3. Step 3: Cross multiply
    4,705.47x = 7,057.17 × 1,929.42
  4. Step 4: Simplify right side
    4,705.47x = 13,616,244.94
  5. Step 5: Solve for x
    x = 13,616,244.94/4,705.47
  6. Step 6: Final answer
    x = 2,893.71

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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.