Home / 8,465.06-12,697.68-2,309.06

Finding the Fourth Proportional to 8,465.06, 12,697.68 and 2,309.06

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Solution

The fourth proportional to 8,465.06, 12,697.68 and 2,309.06 is: 3,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.06 : 12,697.68 = 2,309.06 : x
  2. Step 2: Convert to fraction form
    8,465.06/12,697.68 = 2,309.06/x
  3. Step 3: Cross multiply
    8,465.06x = 12,697.68 × 2,309.06
  4. Step 4: Simplify right side
    8,465.06x = 29,319,745.38
  5. Step 5: Solve for x
    x = 29,319,745.38/8,465.06
  6. Step 6: Final answer
    x = 3,463.62

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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.