Home / 7,223.10-10,827.45-3,320.70

Finding the Fourth Proportional to 7,223.10, 10,827.45 and 3,320.70

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Solution

The fourth proportional to 7,223.10, 10,827.45 and 3,320.70 is: 4,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.10 : 10,827.45 = 3,320.70 : x
  2. Step 2: Convert to fraction form
    7,223.10/10,827.45 = 3,320.70/x
  3. Step 3: Cross multiply
    7,223.10x = 10,827.45 × 3,320.70
  4. Step 4: Simplify right side
    7,223.10x = 35,954,713.22
  5. Step 5: Solve for x
    x = 35,954,713.22/7,223.10
  6. Step 6: Final answer
    x = 4,977.74

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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.