Home / 7,529.58-10,391.22-4,172.76

Finding the Fourth Proportional to 7,529.58, 10,391.22 and 4,172.76

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Solution

The fourth proportional to 7,529.58, 10,391.22 and 4,172.76 is: 5,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.58 : 10,391.22 = 4,172.76 : x
  2. Step 2: Convert to fraction form
    7,529.58/10,391.22 = 4,172.76/x
  3. Step 3: Cross multiply
    7,529.58x = 10,391.22 × 4,172.76
  4. Step 4: Simplify right side
    7,529.58x = 43,360,067.17
  5. Step 5: Solve for x
    x = 43,360,067.17/7,529.58
  6. Step 6: Final answer
    x = 5,758.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.