Home / 5,313.85-7,332.55-3,076.43

Finding the Fourth Proportional to 5,313.85, 7,332.55 and 3,076.43

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Solution

The fourth proportional to 5,313.85, 7,332.55 and 3,076.43 is: 4,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.85 : 7,332.55 = 3,076.43 : x
  2. Step 2: Convert to fraction form
    5,313.85/7,332.55 = 3,076.43/x
  3. Step 3: Cross multiply
    5,313.85x = 7,332.55 × 3,076.43
  4. Step 4: Simplify right side
    5,313.85x = 22,558,032.44
  5. Step 5: Solve for x
    x = 22,558,032.44/5,313.85
  6. Step 6: Final answer
    x = 4,245.14

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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.