Home / 5,349.69-8,028.21-1,886.94

Finding the Fourth Proportional to 5,349.69, 8,028.21 and 1,886.94

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Solution

The fourth proportional to 5,349.69, 8,028.21 and 1,886.94 is: 2,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.69 : 8,028.21 = 1,886.94 : x
  2. Step 2: Convert to fraction form
    5,349.69/8,028.21 = 1,886.94/x
  3. Step 3: Cross multiply
    5,349.69x = 8,028.21 × 1,886.94
  4. Step 4: Simplify right side
    5,349.69x = 15,148,750.58
  5. Step 5: Solve for x
    x = 15,148,750.58/5,349.69
  6. Step 6: Final answer
    x = 2,831.71

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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.