Home / 8,623.23-12,934.89-2,619.36

Finding the Fourth Proportional to 8,623.23, 12,934.89 and 2,619.36

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Solution

The fourth proportional to 8,623.23, 12,934.89 and 2,619.36 is: 3,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.23 : 12,934.89 = 2,619.36 : x
  2. Step 2: Convert to fraction form
    8,623.23/12,934.89 = 2,619.36/x
  3. Step 3: Cross multiply
    8,623.23x = 12,934.89 × 2,619.36
  4. Step 4: Simplify right side
    8,623.23x = 33,881,133.47
  5. Step 5: Solve for x
    x = 33,881,133.47/8,623.23
  6. Step 6: Final answer
    x = 3,929.05

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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.