Home / 4,445.40-6,136.02-3,119.43

Finding the Fourth Proportional to 4,445.40, 6,136.02 and 3,119.43

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Solution

The fourth proportional to 4,445.40, 6,136.02 and 3,119.43 is: 4,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.40 : 6,136.02 = 3,119.43 : x
  2. Step 2: Convert to fraction form
    4,445.40/6,136.02 = 3,119.43/x
  3. Step 3: Cross multiply
    4,445.40x = 6,136.02 × 3,119.43
  4. Step 4: Simplify right side
    4,445.40x = 19,140,884.87
  5. Step 5: Solve for x
    x = 19,140,884.87/4,445.40
  6. Step 6: Final answer
    x = 4,305.77

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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.