Home / 8,623.99-12,933.29-5,717.71

Finding the Fourth Proportional to 8,623.99, 12,933.29 and 5,717.71

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Solution

The fourth proportional to 8,623.99, 12,933.29 and 5,717.71 is: 8,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.99 : 12,933.29 = 5,717.71 : x
  2. Step 2: Convert to fraction form
    8,623.99/12,933.29 = 5,717.71/x
  3. Step 3: Cross multiply
    8,623.99x = 12,933.29 × 5,717.71
  4. Step 4: Simplify right side
    8,623.99x = 73,948,772.98
  5. Step 5: Solve for x
    x = 73,948,772.98/8,623.99
  6. Step 6: Final answer
    x = 8,574.77

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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.