Home / 10,722.90-16,083.48-4,480.62

Finding the Fourth Proportional to 10,722.90, 16,083.48 and 4,480.62

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Solution

The fourth proportional to 10,722.90, 16,083.48 and 4,480.62 is: 6,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.90 : 16,083.48 = 4,480.62 : x
  2. Step 2: Convert to fraction form
    10,722.90/16,083.48 = 4,480.62/x
  3. Step 3: Cross multiply
    10,722.90x = 16,083.48 × 4,480.62
  4. Step 4: Simplify right side
    10,722.90x = 72,063,962.16
  5. Step 5: Solve for x
    x = 72,063,962.16/10,722.90
  6. Step 6: Final answer
    x = 6,720.57

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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.