Home / 6,311.12-8,713.98-4,074.30

Finding the Fourth Proportional to 6,311.12, 8,713.98 and 4,074.30

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Solution

The fourth proportional to 6,311.12, 8,713.98 and 4,074.30 is: 5,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.12 : 8,713.98 = 4,074.30 : x
  2. Step 2: Convert to fraction form
    6,311.12/8,713.98 = 4,074.30/x
  3. Step 3: Cross multiply
    6,311.12x = 8,713.98 × 4,074.30
  4. Step 4: Simplify right side
    6,311.12x = 35,503,368.71
  5. Step 5: Solve for x
    x = 35,503,368.71/6,311.12
  6. Step 6: Final answer
    x = 5,625.53

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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.