Home / 7,127.22-10,669.98-4,156.58

Finding the Fourth Proportional to 7,127.22, 10,669.98 and 4,156.58

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Solution

The fourth proportional to 7,127.22, 10,669.98 and 4,156.58 is: 6,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.22 : 10,669.98 = 4,156.58 : x
  2. Step 2: Convert to fraction form
    7,127.22/10,669.98 = 4,156.58/x
  3. Step 3: Cross multiply
    7,127.22x = 10,669.98 × 4,156.58
  4. Step 4: Simplify right side
    7,127.22x = 44,350,625.47
  5. Step 5: Solve for x
    x = 44,350,625.47/7,127.22
  6. Step 6: Final answer
    x = 6,222.71

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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.