Home / 5,619.24-8,423.10-2,837.40

Finding the Fourth Proportional to 5,619.24, 8,423.10 and 2,837.40

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Solution

The fourth proportional to 5,619.24, 8,423.10 and 2,837.40 is: 4,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.24 : 8,423.10 = 2,837.40 : x
  2. Step 2: Convert to fraction form
    5,619.24/8,423.10 = 2,837.40/x
  3. Step 3: Cross multiply
    5,619.24x = 8,423.10 × 2,837.40
  4. Step 4: Simplify right side
    5,619.24x = 23,899,703.94
  5. Step 5: Solve for x
    x = 23,899,703.94/5,619.24
  6. Step 6: Final answer
    x = 4,253.19

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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.