Home / 7,529.70-10,389.97-4,171.69

Finding the Fourth Proportional to 7,529.70, 10,389.97 and 4,171.69

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Solution

The fourth proportional to 7,529.70, 10,389.97 and 4,171.69 is: 5,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.70 : 10,389.97 = 4,171.69 : x
  2. Step 2: Convert to fraction form
    7,529.70/10,389.97 = 4,171.69/x
  3. Step 3: Cross multiply
    7,529.70x = 10,389.97 × 4,171.69
  4. Step 4: Simplify right side
    7,529.70x = 43,343,733.95
  5. Step 5: Solve for x
    x = 43,343,733.95/7,529.70
  6. Step 6: Final answer
    x = 5,756.37

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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.