Home / 8,409.65-12,614.38-2,566.28

Finding the Fourth Proportional to 8,409.65, 12,614.38 and 2,566.28

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Solution

The fourth proportional to 8,409.65, 12,614.38 and 2,566.28 is: 3,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.65 : 12,614.38 = 2,566.28 : x
  2. Step 2: Convert to fraction form
    8,409.65/12,614.38 = 2,566.28/x
  3. Step 3: Cross multiply
    8,409.65x = 12,614.38 × 2,566.28
  4. Step 4: Simplify right side
    8,409.65x = 32,371,955.20
  5. Step 5: Solve for x
    x = 32,371,955.20/8,409.65
  6. Step 6: Final answer
    x = 3,849.38

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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.