Home / 5,619.79-8,430.56-2,500.88

Finding the Fourth Proportional to 5,619.79, 8,430.56 and 2,500.88

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Solution

The fourth proportional to 5,619.79, 8,430.56 and 2,500.88 is: 3,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.79 : 8,430.56 = 2,500.88 : x
  2. Step 2: Convert to fraction form
    5,619.79/8,430.56 = 2,500.88/x
  3. Step 3: Cross multiply
    5,619.79x = 8,430.56 × 2,500.88
  4. Step 4: Simplify right side
    5,619.79x = 21,083,818.89
  5. Step 5: Solve for x
    x = 21,083,818.89/5,619.79
  6. Step 6: Final answer
    x = 3,751.71

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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.