Home / 8,264.90-12,395.94-2,420.12

Finding the Fourth Proportional to 8,264.90, 12,395.94 and 2,420.12

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Solution

The fourth proportional to 8,264.90, 12,395.94 and 2,420.12 is: 3,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.90 : 12,395.94 = 2,420.12 : x
  2. Step 2: Convert to fraction form
    8,264.90/12,395.94 = 2,420.12/x
  3. Step 3: Cross multiply
    8,264.90x = 12,395.94 × 2,420.12
  4. Step 4: Simplify right side
    8,264.90x = 29,999,662.31
  5. Step 5: Solve for x
    x = 29,999,662.31/8,264.90
  6. Step 6: Final answer
    x = 3,629.77

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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.