Home / 4,090.80-6,136.20-2,705.70

Finding the Fourth Proportional to 4,090.80, 6,136.20 and 2,705.70

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Solution

The fourth proportional to 4,090.80, 6,136.20 and 2,705.70 is: 4,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.80 : 6,136.20 = 2,705.70 : x
  2. Step 2: Convert to fraction form
    4,090.80/6,136.20 = 2,705.70/x
  3. Step 3: Cross multiply
    4,090.80x = 6,136.20 × 2,705.70
  4. Step 4: Simplify right side
    4,090.80x = 16,602,716.34
  5. Step 5: Solve for x
    x = 16,602,716.34/4,090.80
  6. Step 6: Final answer
    x = 4,058.55

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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.