Home / 5,007.40-6,911.70-3,238.96

Finding the Fourth Proportional to 5,007.40, 6,911.70 and 3,238.96

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Solution

The fourth proportional to 5,007.40, 6,911.70 and 3,238.96 is: 4,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.40 : 6,911.70 = 3,238.96 : x
  2. Step 2: Convert to fraction form
    5,007.40/6,911.70 = 3,238.96/x
  3. Step 3: Cross multiply
    5,007.40x = 6,911.70 × 3,238.96
  4. Step 4: Simplify right side
    5,007.40x = 22,386,719.83
  5. Step 5: Solve for x
    x = 22,386,719.83/5,007.40
  6. Step 6: Final answer
    x = 4,470.73

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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.