Home / 7,126.39-10,695.35-3,664.63

Finding the Fourth Proportional to 7,126.39, 10,695.35 and 3,664.63

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Solution

The fourth proportional to 7,126.39, 10,695.35 and 3,664.63 is: 5,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.39 : 10,695.35 = 3,664.63 : x
  2. Step 2: Convert to fraction form
    7,126.39/10,695.35 = 3,664.63/x
  3. Step 3: Cross multiply
    7,126.39x = 10,695.35 × 3,664.63
  4. Step 4: Simplify right side
    7,126.39x = 39,194,500.47
  5. Step 5: Solve for x
    x = 39,194,500.47/7,126.39
  6. Step 6: Final answer
    x = 5,499.91

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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.