Home / 9,039.72-13,555.08-3,494.46

Finding the Fourth Proportional to 9,039.72, 13,555.08 and 3,494.46

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Solution

The fourth proportional to 9,039.72, 13,555.08 and 3,494.46 is: 5,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.72 : 13,555.08 = 3,494.46 : x
  2. Step 2: Convert to fraction form
    9,039.72/13,555.08 = 3,494.46/x
  3. Step 3: Cross multiply
    9,039.72x = 13,555.08 × 3,494.46
  4. Step 4: Simplify right side
    9,039.72x = 47,367,684.86
  5. Step 5: Solve for x
    x = 47,367,684.86/9,039.72
  6. Step 6: Final answer
    x = 5,239.95

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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.