Home / 7,323.08-10,105.76-3,965.80

Finding the Fourth Proportional to 7,323.08, 10,105.76 and 3,965.80

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Solution

The fourth proportional to 7,323.08, 10,105.76 and 3,965.80 is: 5,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.08 : 10,105.76 = 3,965.80 : x
  2. Step 2: Convert to fraction form
    7,323.08/10,105.76 = 3,965.80/x
  3. Step 3: Cross multiply
    7,323.08x = 10,105.76 × 3,965.80
  4. Step 4: Simplify right side
    7,323.08x = 40,077,423.01
  5. Step 5: Solve for x
    x = 40,077,423.01/7,323.08
  6. Step 6: Final answer
    x = 5,472.76

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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.