Home / 5,318.10-7,338.52-2,960.46

Finding the Fourth Proportional to 5,318.10, 7,338.52 and 2,960.46

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Solution

The fourth proportional to 5,318.10, 7,338.52 and 2,960.46 is: 4,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.10 : 7,338.52 = 2,960.46 : x
  2. Step 2: Convert to fraction form
    5,318.10/7,338.52 = 2,960.46/x
  3. Step 3: Cross multiply
    5,318.10x = 7,338.52 × 2,960.46
  4. Step 4: Simplify right side
    5,318.10x = 21,725,394.92
  5. Step 5: Solve for x
    x = 21,725,394.92/5,318.10
  6. Step 6: Final answer
    x = 4,085.18

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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.