Home / 9,136.98-12,609.02-4,945.23

Finding the Fourth Proportional to 9,136.98, 12,609.02 and 4,945.23

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Solution

The fourth proportional to 9,136.98, 12,609.02 and 4,945.23 is: 6,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.98 : 12,609.02 = 4,945.23 : x
  2. Step 2: Convert to fraction form
    9,136.98/12,609.02 = 4,945.23/x
  3. Step 3: Cross multiply
    9,136.98x = 12,609.02 × 4,945.23
  4. Step 4: Simplify right side
    9,136.98x = 62,354,479.25
  5. Step 5: Solve for x
    x = 62,354,479.25/9,136.98
  6. Step 6: Final answer
    x = 6,824.41

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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.