Home / 6,811.48-10,216.68-2,915.92

Finding the Fourth Proportional to 6,811.48, 10,216.68 and 2,915.92

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Solution

The fourth proportional to 6,811.48, 10,216.68 and 2,915.92 is: 4,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.48 : 10,216.68 = 2,915.92 : x
  2. Step 2: Convert to fraction form
    6,811.48/10,216.68 = 2,915.92/x
  3. Step 3: Cross multiply
    6,811.48x = 10,216.68 × 2,915.92
  4. Step 4: Simplify right side
    6,811.48x = 29,791,021.55
  5. Step 5: Solve for x
    x = 29,791,021.55/6,811.48
  6. Step 6: Final answer
    x = 4,373.65

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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.