Home / 5,318.47-7,338.77-2,960.29

Finding the Fourth Proportional to 5,318.47, 7,338.77 and 2,960.29

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Solution

The fourth proportional to 5,318.47, 7,338.77 and 2,960.29 is: 4,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.47 : 7,338.77 = 2,960.29 : x
  2. Step 2: Convert to fraction form
    5,318.47/7,338.77 = 2,960.29/x
  3. Step 3: Cross multiply
    5,318.47x = 7,338.77 × 2,960.29
  4. Step 4: Simplify right side
    5,318.47x = 21,724,872.64
  5. Step 5: Solve for x
    x = 21,724,872.64/5,318.47
  6. Step 6: Final answer
    x = 4,084.80

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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.