Home / 7,081.80-10,611.60-4,479.24

Finding the Fourth Proportional to 7,081.80, 10,611.60 and 4,479.24

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Solution

The fourth proportional to 7,081.80, 10,611.60 and 4,479.24 is: 6,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.80 : 10,611.60 = 4,479.24 : x
  2. Step 2: Convert to fraction form
    7,081.80/10,611.60 = 4,479.24/x
  3. Step 3: Cross multiply
    7,081.80x = 10,611.60 × 4,479.24
  4. Step 4: Simplify right side
    7,081.80x = 47,531,903.18
  5. Step 5: Solve for x
    x = 47,531,903.18/7,081.80
  6. Step 6: Final answer
    x = 6,711.84

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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.