Home / 5,221.46-7,831.98-1,711.73

Finding the Fourth Proportional to 5,221.46, 7,831.98 and 1,711.73

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Solution

The fourth proportional to 5,221.46, 7,831.98 and 1,711.73 is: 2,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.46 : 7,831.98 = 1,711.73 : x
  2. Step 2: Convert to fraction form
    5,221.46/7,831.98 = 1,711.73/x
  3. Step 3: Cross multiply
    5,221.46x = 7,831.98 × 1,711.73
  4. Step 4: Simplify right side
    5,221.46x = 13,406,187.41
  5. Step 5: Solve for x
    x = 13,406,187.41/5,221.46
  6. Step 6: Final answer
    x = 2,567.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.