Home / 4,253.04-6,377.54-1,620.68

Finding the Fourth Proportional to 4,253.04, 6,377.54 and 1,620.68

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Solution

The fourth proportional to 4,253.04, 6,377.54 and 1,620.68 is: 2,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.04 : 6,377.54 = 1,620.68 : x
  2. Step 2: Convert to fraction form
    4,253.04/6,377.54 = 1,620.68/x
  3. Step 3: Cross multiply
    4,253.04x = 6,377.54 × 1,620.68
  4. Step 4: Simplify right side
    4,253.04x = 10,335,911.54
  5. Step 5: Solve for x
    x = 10,335,911.54/4,253.04
  6. Step 6: Final answer
    x = 2,430.24

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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.