Home / 5,313.42-7,330.48-3,424.86

Finding the Fourth Proportional to 5,313.42, 7,330.48 and 3,424.86

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Solution

The fourth proportional to 5,313.42, 7,330.48 and 3,424.86 is: 4,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.42 : 7,330.48 = 3,424.86 : x
  2. Step 2: Convert to fraction form
    5,313.42/7,330.48 = 3,424.86/x
  3. Step 3: Cross multiply
    5,313.42x = 7,330.48 × 3,424.86
  4. Step 4: Simplify right side
    5,313.42x = 25,105,867.73
  5. Step 5: Solve for x
    x = 25,105,867.73/5,313.42
  6. Step 6: Final answer
    x = 4,724.99

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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.