Home / 7,189.12-10,785.60-2,573.44

Finding the Fourth Proportional to 7,189.12, 10,785.60 and 2,573.44

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Solution

The fourth proportional to 7,189.12, 10,785.60 and 2,573.44 is: 3,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.12 : 10,785.60 = 2,573.44 : x
  2. Step 2: Convert to fraction form
    7,189.12/10,785.60 = 2,573.44/x
  3. Step 3: Cross multiply
    7,189.12x = 10,785.60 × 2,573.44
  4. Step 4: Simplify right side
    7,189.12x = 27,756,094.46
  5. Step 5: Solve for x
    x = 27,756,094.46/7,189.12
  6. Step 6: Final answer
    x = 3,860.85

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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.