Home / 6,897.22-10,314.03-5,121.63

Finding the Fourth Proportional to 6,897.22, 10,314.03 and 5,121.63

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Solution

The fourth proportional to 6,897.22, 10,314.03 and 5,121.63 is: 7,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.22 : 10,314.03 = 5,121.63 : x
  2. Step 2: Convert to fraction form
    6,897.22/10,314.03 = 5,121.63/x
  3. Step 3: Cross multiply
    6,897.22x = 10,314.03 × 5,121.63
  4. Step 4: Simplify right side
    6,897.22x = 52,824,664.68
  5. Step 5: Solve for x
    x = 52,824,664.68/6,897.22
  6. Step 6: Final answer
    x = 7,658.84

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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.