Home / 5,580.71-8,365.74-1,881.03

Finding the Fourth Proportional to 5,580.71, 8,365.74 and 1,881.03

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Solution

The fourth proportional to 5,580.71, 8,365.74 and 1,881.03 is: 2,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.71 : 8,365.74 = 1,881.03 : x
  2. Step 2: Convert to fraction form
    5,580.71/8,365.74 = 1,881.03/x
  3. Step 3: Cross multiply
    5,580.71x = 8,365.74 × 1,881.03
  4. Step 4: Simplify right side
    5,580.71x = 15,736,207.91
  5. Step 5: Solve for x
    x = 15,736,207.91/5,580.71
  6. Step 6: Final answer
    x = 2,819.75

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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.