Home / 8,116.02-12,174.12-2,921.94

Finding the Fourth Proportional to 8,116.02, 12,174.12 and 2,921.94

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Solution

The fourth proportional to 8,116.02, 12,174.12 and 2,921.94 is: 4,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.02 : 12,174.12 = 2,921.94 : x
  2. Step 2: Convert to fraction form
    8,116.02/12,174.12 = 2,921.94/x
  3. Step 3: Cross multiply
    8,116.02x = 12,174.12 × 2,921.94
  4. Step 4: Simplify right side
    8,116.02x = 35,572,048.19
  5. Step 5: Solve for x
    x = 35,572,048.19/8,116.02
  6. Step 6: Final answer
    x = 4,382.94

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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.