Home / 7,383.68-10,190.56-4,865.40

Finding the Fourth Proportional to 7,383.68, 10,190.56 and 4,865.40

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Solution

The fourth proportional to 7,383.68, 10,190.56 and 4,865.40 is: 6,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.68 : 10,190.56 = 4,865.40 : x
  2. Step 2: Convert to fraction form
    7,383.68/10,190.56 = 4,865.40/x
  3. Step 3: Cross multiply
    7,383.68x = 10,190.56 × 4,865.40
  4. Step 4: Simplify right side
    7,383.68x = 49,581,150.62
  5. Step 5: Solve for x
    x = 49,581,150.62/7,383.68
  6. Step 6: Final answer
    x = 6,714.96

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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.