Home / 7,321.26-10,961.16-6,629.22

Finding the Fourth Proportional to 7,321.26, 10,961.16 and 6,629.22

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Solution

The fourth proportional to 7,321.26, 10,961.16 and 6,629.22 is: 9,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.26 : 10,961.16 = 6,629.22 : x
  2. Step 2: Convert to fraction form
    7,321.26/10,961.16 = 6,629.22/x
  3. Step 3: Cross multiply
    7,321.26x = 10,961.16 × 6,629.22
  4. Step 4: Simplify right side
    7,321.26x = 72,663,941.10
  5. Step 5: Solve for x
    x = 72,663,941.10/7,321.26
  6. Step 6: Final answer
    x = 9,925.06

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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.