Home / 7,289.47-10,934.14-3,339.61

Finding the Fourth Proportional to 7,289.47, 10,934.14 and 3,339.61

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Solution

The fourth proportional to 7,289.47, 10,934.14 and 3,339.61 is: 5,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.47 : 10,934.14 = 3,339.61 : x
  2. Step 2: Convert to fraction form
    7,289.47/10,934.14 = 3,339.61/x
  3. Step 3: Cross multiply
    7,289.47x = 10,934.14 × 3,339.61
  4. Step 4: Simplify right side
    7,289.47x = 36,515,729.66
  5. Step 5: Solve for x
    x = 36,515,729.66/7,289.47
  6. Step 6: Final answer
    x = 5,009.38

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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.