Home / 6,863.28-10,307.40-6,584.88

Finding the Fourth Proportional to 6,863.28, 10,307.40 and 6,584.88

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Solution

The fourth proportional to 6,863.28, 10,307.40 and 6,584.88 is: 9,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.28 : 10,307.40 = 6,584.88 : x
  2. Step 2: Convert to fraction form
    6,863.28/10,307.40 = 6,584.88/x
  3. Step 3: Cross multiply
    6,863.28x = 10,307.40 × 6,584.88
  4. Step 4: Simplify right side
    6,863.28x = 67,872,992.11
  5. Step 5: Solve for x
    x = 67,872,992.11/6,863.28
  6. Step 6: Final answer
    x = 9,889.29

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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.