Home / 4,819.60-7,234.44-4,275.28

Finding the Fourth Proportional to 4,819.60, 7,234.44 and 4,275.28

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Solution

The fourth proportional to 4,819.60, 7,234.44 and 4,275.28 is: 6,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.60 : 7,234.44 = 4,275.28 : x
  2. Step 2: Convert to fraction form
    4,819.60/7,234.44 = 4,275.28/x
  3. Step 3: Cross multiply
    4,819.60x = 7,234.44 × 4,275.28
  4. Step 4: Simplify right side
    4,819.60x = 30,929,256.64
  5. Step 5: Solve for x
    x = 30,929,256.64/4,819.60
  6. Step 6: Final answer
    x = 6,417.39

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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.