Home / 5,154.43-7,718.56-4,319.30

Finding the Fourth Proportional to 5,154.43, 7,718.56 and 4,319.30

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Solution

The fourth proportional to 5,154.43, 7,718.56 and 4,319.30 is: 6,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.43 : 7,718.56 = 4,319.30 : x
  2. Step 2: Convert to fraction form
    5,154.43/7,718.56 = 4,319.30/x
  3. Step 3: Cross multiply
    5,154.43x = 7,718.56 × 4,319.30
  4. Step 4: Simplify right side
    5,154.43x = 33,338,741.29
  5. Step 5: Solve for x
    x = 33,338,741.29/5,154.43
  6. Step 6: Final answer
    x = 6,467.98

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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.