Home / 8,317.11-12,471.62-5,688.66

Finding the Fourth Proportional to 8,317.11, 12,471.62 and 5,688.66

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Solution

The fourth proportional to 8,317.11, 12,471.62 and 5,688.66 is: 8,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.11 : 12,471.62 = 5,688.66 : x
  2. Step 2: Convert to fraction form
    8,317.11/12,471.62 = 5,688.66/x
  3. Step 3: Cross multiply
    8,317.11x = 12,471.62 × 5,688.66
  4. Step 4: Simplify right side
    8,317.11x = 70,946,777.39
  5. Step 5: Solve for x
    x = 70,946,777.39/8,317.11
  6. Step 6: Final answer
    x = 8,530.22

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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.