Home / 7,260.43-10,019.26-4,073.78

Finding the Fourth Proportional to 7,260.43, 10,019.26 and 4,073.78

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Solution

The fourth proportional to 7,260.43, 10,019.26 and 4,073.78 is: 5,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.43 : 10,019.26 = 4,073.78 : x
  2. Step 2: Convert to fraction form
    7,260.43/10,019.26 = 4,073.78/x
  3. Step 3: Cross multiply
    7,260.43x = 10,019.26 × 4,073.78
  4. Step 4: Simplify right side
    7,260.43x = 40,816,240.63
  5. Step 5: Solve for x
    x = 40,816,240.63/7,260.43
  6. Step 6: Final answer
    x = 5,621.74

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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.