Home / 7,222.10-10,833.15-4,100.90

Finding the Fourth Proportional to 7,222.10, 10,833.15 and 4,100.90

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Solution

The fourth proportional to 7,222.10, 10,833.15 and 4,100.90 is: 6,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.10 : 10,833.15 = 4,100.90 : x
  2. Step 2: Convert to fraction form
    7,222.10/10,833.15 = 4,100.90/x
  3. Step 3: Cross multiply
    7,222.10x = 10,833.15 × 4,100.90
  4. Step 4: Simplify right side
    7,222.10x = 44,425,664.84
  5. Step 5: Solve for x
    x = 44,425,664.84/7,222.10
  6. Step 6: Final answer
    x = 6,151.35

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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.