Home / 8,209.18-11,329.16-4,672.41

Finding the Fourth Proportional to 8,209.18, 11,329.16 and 4,672.41

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Solution

The fourth proportional to 8,209.18, 11,329.16 and 4,672.41 is: 6,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.18 : 11,329.16 = 4,672.41 : x
  2. Step 2: Convert to fraction form
    8,209.18/11,329.16 = 4,672.41/x
  3. Step 3: Cross multiply
    8,209.18x = 11,329.16 × 4,672.41
  4. Step 4: Simplify right side
    8,209.18x = 52,934,480.48
  5. Step 5: Solve for x
    x = 52,934,480.48/8,209.18
  6. Step 6: Final answer
    x = 6,448.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.