Home / 7,504.46-10,356.64-4,147.28

Finding the Fourth Proportional to 7,504.46, 10,356.64 and 4,147.28

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Solution

The fourth proportional to 7,504.46, 10,356.64 and 4,147.28 is: 5,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.46 : 10,356.64 = 4,147.28 : x
  2. Step 2: Convert to fraction form
    7,504.46/10,356.64 = 4,147.28/x
  3. Step 3: Cross multiply
    7,504.46x = 10,356.64 × 4,147.28
  4. Step 4: Simplify right side
    7,504.46x = 42,951,885.94
  5. Step 5: Solve for x
    x = 42,951,885.94/7,504.46
  6. Step 6: Final answer
    x = 5,723.51

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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.