Home / 5,763.39-8,631.23-3,290.72

Finding the Fourth Proportional to 5,763.39, 8,631.23 and 3,290.72

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Solution

The fourth proportional to 5,763.39, 8,631.23 and 3,290.72 is: 4,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.39 : 8,631.23 = 3,290.72 : x
  2. Step 2: Convert to fraction form
    5,763.39/8,631.23 = 3,290.72/x
  3. Step 3: Cross multiply
    5,763.39x = 8,631.23 × 3,290.72
  4. Step 4: Simplify right side
    5,763.39x = 28,402,918.03
  5. Step 5: Solve for x
    x = 28,402,918.03/5,763.39
  6. Step 6: Final answer
    x = 4,928.16

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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.