Home / 5,318.20-7,339.26-2,960.20

Finding the Fourth Proportional to 5,318.20, 7,339.26 and 2,960.20

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Solution

The fourth proportional to 5,318.20, 7,339.26 and 2,960.20 is: 4,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.20 : 7,339.26 = 2,960.20 : x
  2. Step 2: Convert to fraction form
    5,318.20/7,339.26 = 2,960.20/x
  3. Step 3: Cross multiply
    5,318.20x = 7,339.26 × 2,960.20
  4. Step 4: Simplify right side
    5,318.20x = 21,725,677.45
  5. Step 5: Solve for x
    x = 21,725,677.45/5,318.20
  6. Step 6: Final answer
    x = 4,085.16

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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.