Home / 7,005.20-10,494.09-4,223.61

Finding the Fourth Proportional to 7,005.20, 10,494.09 and 4,223.61

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Solution

The fourth proportional to 7,005.20, 10,494.09 and 4,223.61 is: 6,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.20 : 10,494.09 = 4,223.61 : x
  2. Step 2: Convert to fraction form
    7,005.20/10,494.09 = 4,223.61/x
  3. Step 3: Cross multiply
    7,005.20x = 10,494.09 × 4,223.61
  4. Step 4: Simplify right side
    7,005.20x = 44,322,943.46
  5. Step 5: Solve for x
    x = 44,322,943.46/7,005.20
  6. Step 6: Final answer
    x = 6,327.15

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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.