Home / 5,390.77-7,436.04-3,291.25

Finding the Fourth Proportional to 5,390.77, 7,436.04 and 3,291.25

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Solution

The fourth proportional to 5,390.77, 7,436.04 and 3,291.25 is: 4,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.77 : 7,436.04 = 3,291.25 : x
  2. Step 2: Convert to fraction form
    5,390.77/7,436.04 = 3,291.25/x
  3. Step 3: Cross multiply
    5,390.77x = 7,436.04 × 3,291.25
  4. Step 4: Simplify right side
    5,390.77x = 24,473,866.65
  5. Step 5: Solve for x
    x = 24,473,866.65/5,390.77
  6. Step 6: Final answer
    x = 4,539.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.