Home / 8,623.49-12,932.54-5,717.21

Finding the Fourth Proportional to 8,623.49, 12,932.54 and 5,717.21

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Solution

The fourth proportional to 8,623.49, 12,932.54 and 5,717.21 is: 8,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.49 : 12,932.54 = 5,717.21 : x
  2. Step 2: Convert to fraction form
    8,623.49/12,932.54 = 5,717.21/x
  3. Step 3: Cross multiply
    8,623.49x = 12,932.54 × 5,717.21
  4. Step 4: Simplify right side
    8,623.49x = 73,938,018.43
  5. Step 5: Solve for x
    x = 73,938,018.43/8,623.49
  6. Step 6: Final answer
    x = 8,574.02

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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.