Home / 7,835.88-10,811.94-4,479.80

Finding the Fourth Proportional to 7,835.88, 10,811.94 and 4,479.80

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Solution

The fourth proportional to 7,835.88, 10,811.94 and 4,479.80 is: 6,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.88 : 10,811.94 = 4,479.80 : x
  2. Step 2: Convert to fraction form
    7,835.88/10,811.94 = 4,479.80/x
  3. Step 3: Cross multiply
    7,835.88x = 10,811.94 × 4,479.80
  4. Step 4: Simplify right side
    7,835.88x = 48,435,328.81
  5. Step 5: Solve for x
    x = 48,435,328.81/7,835.88
  6. Step 6: Final answer
    x = 6,181.22

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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.