Home / 5,318.60-7,339.54-2,960.69

Finding the Fourth Proportional to 5,318.60, 7,339.54 and 2,960.69

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Solution

The fourth proportional to 5,318.60, 7,339.54 and 2,960.69 is: 4,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.60 : 7,339.54 = 2,960.69 : x
  2. Step 2: Convert to fraction form
    5,318.60/7,339.54 = 2,960.69/x
  3. Step 3: Cross multiply
    5,318.60x = 7,339.54 × 2,960.69
  4. Step 4: Simplify right side
    5,318.60x = 21,730,124.73
  5. Step 5: Solve for x
    x = 21,730,124.73/5,318.60
  6. Step 6: Final answer
    x = 4,085.68

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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.