Home / 4,136.89-5,702.25-3,389.53

Finding the Fourth Proportional to 4,136.89, 5,702.25 and 3,389.53

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Solution

The fourth proportional to 4,136.89, 5,702.25 and 3,389.53 is: 4,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.89 : 5,702.25 = 3,389.53 : x
  2. Step 2: Convert to fraction form
    4,136.89/5,702.25 = 3,389.53/x
  3. Step 3: Cross multiply
    4,136.89x = 5,702.25 × 3,389.53
  4. Step 4: Simplify right side
    4,136.89x = 19,327,947.44
  5. Step 5: Solve for x
    x = 19,327,947.44/4,136.89
  6. Step 6: Final answer
    x = 4,672.10

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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.