Home / 4,289.04-6,436.80-2,827.68

Finding the Fourth Proportional to 4,289.04, 6,436.80 and 2,827.68

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Solution

The fourth proportional to 4,289.04, 6,436.80 and 2,827.68 is: 4,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.04 : 6,436.80 = 2,827.68 : x
  2. Step 2: Convert to fraction form
    4,289.04/6,436.80 = 2,827.68/x
  3. Step 3: Cross multiply
    4,289.04x = 6,436.80 × 2,827.68
  4. Step 4: Simplify right side
    4,289.04x = 18,201,210.62
  5. Step 5: Solve for x
    x = 18,201,210.62/4,289.04
  6. Step 6: Final answer
    x = 4,243.66

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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.