Home / 8,646.24-12,969.27-2,406.22

Finding the Fourth Proportional to 8,646.24, 12,969.27 and 2,406.22

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Solution

The fourth proportional to 8,646.24, 12,969.27 and 2,406.22 is: 3,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.24 : 12,969.27 = 2,406.22 : x
  2. Step 2: Convert to fraction form
    8,646.24/12,969.27 = 2,406.22/x
  3. Step 3: Cross multiply
    8,646.24x = 12,969.27 × 2,406.22
  4. Step 4: Simplify right side
    8,646.24x = 31,206,916.86
  5. Step 5: Solve for x
    x = 31,206,916.86/8,646.24
  6. Step 6: Final answer
    x = 3,609.30

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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.