Home / 6,815.81-10,217.34-6,207.10

Finding the Fourth Proportional to 6,815.81, 10,217.34 and 6,207.10

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Solution

The fourth proportional to 6,815.81, 10,217.34 and 6,207.10 is: 9,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.81 : 10,217.34 = 6,207.10 : x
  2. Step 2: Convert to fraction form
    6,815.81/10,217.34 = 6,207.10/x
  3. Step 3: Cross multiply
    6,815.81x = 10,217.34 × 6,207.10
  4. Step 4: Simplify right side
    6,815.81x = 63,420,025.57
  5. Step 5: Solve for x
    x = 63,420,025.57/6,815.81
  6. Step 6: Final answer
    x = 9,304.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.