Home / 6,316.50-8,716.77-3,521.94

Finding the Fourth Proportional to 6,316.50, 8,716.77 and 3,521.94

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Solution

The fourth proportional to 6,316.50, 8,716.77 and 3,521.94 is: 4,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.50 : 8,716.77 = 3,521.94 : x
  2. Step 2: Convert to fraction form
    6,316.50/8,716.77 = 3,521.94/x
  3. Step 3: Cross multiply
    6,316.50x = 8,716.77 × 3,521.94
  4. Step 4: Simplify right side
    6,316.50x = 30,699,940.93
  5. Step 5: Solve for x
    x = 30,699,940.93/6,316.50
  6. Step 6: Final answer
    x = 4,860.28

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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.