Home / 7,221.10-10,823.55-4,102.60

Finding the Fourth Proportional to 7,221.10, 10,823.55 and 4,102.60

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Solution

The fourth proportional to 7,221.10, 10,823.55 and 4,102.60 is: 6,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.10 : 10,823.55 = 4,102.60 : x
  2. Step 2: Convert to fraction form
    7,221.10/10,823.55 = 4,102.60/x
  3. Step 3: Cross multiply
    7,221.10x = 10,823.55 × 4,102.60
  4. Step 4: Simplify right side
    7,221.10x = 44,404,696.23
  5. Step 5: Solve for x
    x = 44,404,696.23/7,221.10
  6. Step 6: Final answer
    x = 6,149.30

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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.