Home / 7,480.28-10,322.76-4,338.26

Finding the Fourth Proportional to 7,480.28, 10,322.76 and 4,338.26

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Solution

The fourth proportional to 7,480.28, 10,322.76 and 4,338.26 is: 5,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.28 : 10,322.76 = 4,338.26 : x
  2. Step 2: Convert to fraction form
    7,480.28/10,322.76 = 4,338.26/x
  3. Step 3: Cross multiply
    7,480.28x = 10,322.76 × 4,338.26
  4. Step 4: Simplify right side
    7,480.28x = 44,782,816.80
  5. Step 5: Solve for x
    x = 44,782,816.80/7,480.28
  6. Step 6: Final answer
    x = 5,986.78

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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.