Home / 6,816.20-9,401.66-6,587.64

Finding the Fourth Proportional to 6,816.20, 9,401.66 and 6,587.64

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Solution

The fourth proportional to 6,816.20, 9,401.66 and 6,587.64 is: 9,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.20 : 9,401.66 = 6,587.64 : x
  2. Step 2: Convert to fraction form
    6,816.20/9,401.66 = 6,587.64/x
  3. Step 3: Cross multiply
    6,816.20x = 9,401.66 × 6,587.64
  4. Step 4: Simplify right side
    6,816.20x = 61,934,751.48
  5. Step 5: Solve for x
    x = 61,934,751.48/6,816.20
  6. Step 6: Final answer
    x = 9,086.40

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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.