Home / 8,121.02-11,206.99-4,395.02

Finding the Fourth Proportional to 8,121.02, 11,206.99 and 4,395.02

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Solution

The fourth proportional to 8,121.02, 11,206.99 and 4,395.02 is: 6,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.02 : 11,206.99 = 4,395.02 : x
  2. Step 2: Convert to fraction form
    8,121.02/11,206.99 = 4,395.02/x
  3. Step 3: Cross multiply
    8,121.02x = 11,206.99 × 4,395.02
  4. Step 4: Simplify right side
    8,121.02x = 49,254,945.19
  5. Step 5: Solve for x
    x = 49,254,945.19/8,121.02
  6. Step 6: Final answer
    x = 6,065.12

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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.