Home / 6,911.92-9,543.36-4,260.16

Finding the Fourth Proportional to 6,911.92, 9,543.36 and 4,260.16

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Solution

The fourth proportional to 6,911.92, 9,543.36 and 4,260.16 is: 5,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.92 : 9,543.36 = 4,260.16 : x
  2. Step 2: Convert to fraction form
    6,911.92/9,543.36 = 4,260.16/x
  3. Step 3: Cross multiply
    6,911.92x = 9,543.36 × 4,260.16
  4. Step 4: Simplify right side
    6,911.92x = 40,656,240.54
  5. Step 5: Solve for x
    x = 40,656,240.54/6,911.92
  6. Step 6: Final answer
    x = 5,882.05

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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.