Home / 8,272.02-12,408.06-2,428.70

Finding the Fourth Proportional to 8,272.02, 12,408.06 and 2,428.70

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Solution

The fourth proportional to 8,272.02, 12,408.06 and 2,428.70 is: 3,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.02 : 12,408.06 = 2,428.70 : x
  2. Step 2: Convert to fraction form
    8,272.02/12,408.06 = 2,428.70/x
  3. Step 3: Cross multiply
    8,272.02x = 12,408.06 × 2,428.70
  4. Step 4: Simplify right side
    8,272.02x = 30,135,455.32
  5. Step 5: Solve for x
    x = 30,135,455.32/8,272.02
  6. Step 6: Final answer
    x = 3,643.06

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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.