Home / 7,328.60-10,984.80-3,167.90

Finding the Fourth Proportional to 7,328.60, 10,984.80 and 3,167.90

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Solution

The fourth proportional to 7,328.60, 10,984.80 and 3,167.90 is: 4,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.60 : 10,984.80 = 3,167.90 : x
  2. Step 2: Convert to fraction form
    7,328.60/10,984.80 = 3,167.90/x
  3. Step 3: Cross multiply
    7,328.60x = 10,984.80 × 3,167.90
  4. Step 4: Simplify right side
    7,328.60x = 34,798,747.92
  5. Step 5: Solve for x
    x = 34,798,747.92/7,328.60
  6. Step 6: Final answer
    x = 4,748.35

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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.