Home / 6,316.26-8,716.42-3,521.76

Finding the Fourth Proportional to 6,316.26, 8,716.42 and 3,521.76

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Solution

The fourth proportional to 6,316.26, 8,716.42 and 3,521.76 is: 4,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.26 : 8,716.42 = 3,521.76 : x
  2. Step 2: Convert to fraction form
    6,316.26/8,716.42 = 3,521.76/x
  3. Step 3: Cross multiply
    6,316.26x = 8,716.42 × 3,521.76
  4. Step 4: Simplify right side
    6,316.26x = 30,697,139.30
  5. Step 5: Solve for x
    x = 30,697,139.30/6,316.26
  6. Step 6: Final answer
    x = 4,860.02

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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.