Home / 7,472.80-10,313.37-4,490.20

Finding the Fourth Proportional to 7,472.80, 10,313.37 and 4,490.20

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Solution

The fourth proportional to 7,472.80, 10,313.37 and 4,490.20 is: 6,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.80 : 10,313.37 = 4,490.20 : x
  2. Step 2: Convert to fraction form
    7,472.80/10,313.37 = 4,490.20/x
  3. Step 3: Cross multiply
    7,472.80x = 10,313.37 × 4,490.20
  4. Step 4: Simplify right side
    7,472.80x = 46,309,093.97
  5. Step 5: Solve for x
    x = 46,309,093.97/7,472.80
  6. Step 6: Final answer
    x = 6,197.02

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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.