Home / 6,895.24-9,515.90-3,911.10

Finding the Fourth Proportional to 6,895.24, 9,515.90 and 3,911.10

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Solution

The fourth proportional to 6,895.24, 9,515.90 and 3,911.10 is: 5,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.24 : 9,515.90 = 3,911.10 : x
  2. Step 2: Convert to fraction form
    6,895.24/9,515.90 = 3,911.10/x
  3. Step 3: Cross multiply
    6,895.24x = 9,515.90 × 3,911.10
  4. Step 4: Simplify right side
    6,895.24x = 37,217,636.49
  5. Step 5: Solve for x
    x = 37,217,636.49/6,895.24
  6. Step 6: Final answer
    x = 5,397.58

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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.