Home / 4,438.90-6,653.49-3,136.42

Finding the Fourth Proportional to 4,438.90, 6,653.49 and 3,136.42

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Solution

The fourth proportional to 4,438.90, 6,653.49 and 3,136.42 is: 4,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.90 : 6,653.49 = 3,136.42 : x
  2. Step 2: Convert to fraction form
    4,438.90/6,653.49 = 3,136.42/x
  3. Step 3: Cross multiply
    4,438.90x = 6,653.49 × 3,136.42
  4. Step 4: Simplify right side
    4,438.90x = 20,868,139.11
  5. Step 5: Solve for x
    x = 20,868,139.11/4,438.90
  6. Step 6: Final answer
    x = 4,701.20

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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.