Home / 8,336.04-12,489.63-4,381.41

Finding the Fourth Proportional to 8,336.04, 12,489.63 and 4,381.41

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Solution

The fourth proportional to 8,336.04, 12,489.63 and 4,381.41 is: 6,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.04 : 12,489.63 = 4,381.41 : x
  2. Step 2: Convert to fraction form
    8,336.04/12,489.63 = 4,381.41/x
  3. Step 3: Cross multiply
    8,336.04x = 12,489.63 × 4,381.41
  4. Step 4: Simplify right side
    8,336.04x = 54,722,189.78
  5. Step 5: Solve for x
    x = 54,722,189.78/8,336.04
  6. Step 6: Final answer
    x = 6,564.53

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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.