Home / 4,706.70-7,058.97-1,419.78

Finding the Fourth Proportional to 4,706.70, 7,058.97 and 1,419.78

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Solution

The fourth proportional to 4,706.70, 7,058.97 and 1,419.78 is: 2,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,706.70 : 7,058.97 = 1,419.78 : x
  2. Step 2: Convert to fraction form
    4,706.70/7,058.97 = 1,419.78/x
  3. Step 3: Cross multiply
    4,706.70x = 7,058.97 × 1,419.78
  4. Step 4: Simplify right side
    4,706.70x = 10,022,184.43
  5. Step 5: Solve for x
    x = 10,022,184.43/4,706.70
  6. Step 6: Final answer
    x = 2,129.34

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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.