Home / 5,310.50-7,328.34-2,952.72

Finding the Fourth Proportional to 5,310.50, 7,328.34 and 2,952.72

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Solution

The fourth proportional to 5,310.50, 7,328.34 and 2,952.72 is: 4,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.50 : 7,328.34 = 2,952.72 : x
  2. Step 2: Convert to fraction form
    5,310.50/7,328.34 = 2,952.72/x
  3. Step 3: Cross multiply
    5,310.50x = 7,328.34 × 2,952.72
  4. Step 4: Simplify right side
    5,310.50x = 21,638,536.08
  5. Step 5: Solve for x
    x = 21,638,536.08/5,310.50
  6. Step 6: Final answer
    x = 4,074.67

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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.