Home / 6,861.78-9,462.32-6,103.16

Finding the Fourth Proportional to 6,861.78, 9,462.32 and 6,103.16

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Solution

The fourth proportional to 6,861.78, 9,462.32 and 6,103.16 is: 8,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.78 : 9,462.32 = 6,103.16 : x
  2. Step 2: Convert to fraction form
    6,861.78/9,462.32 = 6,103.16/x
  3. Step 3: Cross multiply
    6,861.78x = 9,462.32 × 6,103.16
  4. Step 4: Simplify right side
    6,861.78x = 57,750,046.07
  5. Step 5: Solve for x
    x = 57,750,046.07/6,861.78
  6. Step 6: Final answer
    x = 8,416.19

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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.