Home / 8,465.13-12,697.56-2,309.13

Finding the Fourth Proportional to 8,465.13, 12,697.56 and 2,309.13

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Solution

The fourth proportional to 8,465.13, 12,697.56 and 2,309.13 is: 3,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.13 : 12,697.56 = 2,309.13 : x
  2. Step 2: Convert to fraction form
    8,465.13/12,697.56 = 2,309.13/x
  3. Step 3: Cross multiply
    8,465.13x = 12,697.56 × 2,309.13
  4. Step 4: Simplify right side
    8,465.13x = 29,320,316.72
  5. Step 5: Solve for x
    x = 29,320,316.72/8,465.13
  6. Step 6: Final answer
    x = 3,463.66

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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.