Home / 5,619.30-8,431.38-2,333.13

Finding the Fourth Proportional to 5,619.30, 8,431.38 and 2,333.13

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Solution

The fourth proportional to 5,619.30, 8,431.38 and 2,333.13 is: 3,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.30 : 8,431.38 = 2,333.13 : x
  2. Step 2: Convert to fraction form
    5,619.30/8,431.38 = 2,333.13/x
  3. Step 3: Cross multiply
    5,619.30x = 8,431.38 × 2,333.13
  4. Step 4: Simplify right side
    5,619.30x = 19,671,505.62
  5. Step 5: Solve for x
    x = 19,671,505.62/5,619.30
  6. Step 6: Final answer
    x = 3,500.70

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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.