Home / 5,318.46-7,338.60-2,960.55

Finding the Fourth Proportional to 5,318.46, 7,338.60 and 2,960.55

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Solution

The fourth proportional to 5,318.46, 7,338.60 and 2,960.55 is: 4,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.46 : 7,338.60 = 2,960.55 : x
  2. Step 2: Convert to fraction form
    5,318.46/7,338.60 = 2,960.55/x
  3. Step 3: Cross multiply
    5,318.46x = 7,338.60 × 2,960.55
  4. Step 4: Simplify right side
    5,318.46x = 21,726,292.23
  5. Step 5: Solve for x
    x = 21,726,292.23/5,318.46
  6. Step 6: Final answer
    x = 4,085.07

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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.