Home / 8,121.09-11,196.02-6,075.10

Finding the Fourth Proportional to 8,121.09, 11,196.02 and 6,075.10

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Solution

The fourth proportional to 8,121.09, 11,196.02 and 6,075.10 is: 8,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.09 : 11,196.02 = 6,075.10 : x
  2. Step 2: Convert to fraction form
    8,121.09/11,196.02 = 6,075.10/x
  3. Step 3: Cross multiply
    8,121.09x = 11,196.02 × 6,075.10
  4. Step 4: Simplify right side
    8,121.09x = 68,016,941.10
  5. Step 5: Solve for x
    x = 68,016,941.10/8,121.09
  6. Step 6: Final answer
    x = 8,375.35

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Half scale
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Double scale
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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.