Home / 7,473.72-10,313.24-4,487.78

Finding the Fourth Proportional to 7,473.72, 10,313.24 and 4,487.78

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Solution

The fourth proportional to 7,473.72, 10,313.24 and 4,487.78 is: 6,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.72 : 10,313.24 = 4,487.78 : x
  2. Step 2: Convert to fraction form
    7,473.72/10,313.24 = 4,487.78/x
  3. Step 3: Cross multiply
    7,473.72x = 10,313.24 × 4,487.78
  4. Step 4: Simplify right side
    7,473.72x = 46,283,552.21
  5. Step 5: Solve for x
    x = 46,283,552.21/7,473.72
  6. Step 6: Final answer
    x = 6,192.84

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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.