Home / 7,530.80-11,291.70-4,611.20

Finding the Fourth Proportional to 7,530.80, 11,291.70 and 4,611.20

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Solution

The fourth proportional to 7,530.80, 11,291.70 and 4,611.20 is: 6,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.80 : 11,291.70 = 4,611.20 : x
  2. Step 2: Convert to fraction form
    7,530.80/11,291.70 = 4,611.20/x
  3. Step 3: Cross multiply
    7,530.80x = 11,291.70 × 4,611.20
  4. Step 4: Simplify right side
    7,530.80x = 52,068,287.04
  5. Step 5: Solve for x
    x = 52,068,287.04/7,530.80
  6. Step 6: Final answer
    x = 6,914.04

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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.