Home / 5,319.20-7,339.43-2,960.89

Finding the Fourth Proportional to 5,319.20, 7,339.43 and 2,960.89

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Solution

The fourth proportional to 5,319.20, 7,339.43 and 2,960.89 is: 4,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.20 : 7,339.43 = 2,960.89 : x
  2. Step 2: Convert to fraction form
    5,319.20/7,339.43 = 2,960.89/x
  3. Step 3: Cross multiply
    5,319.20x = 7,339.43 × 2,960.89
  4. Step 4: Simplify right side
    5,319.20x = 21,731,233.95
  5. Step 5: Solve for x
    x = 21,731,233.95/5,319.20
  6. Step 6: Final answer
    x = 4,085.43

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1.5x scale

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.