Home / 5,809.31-8,714.30-2,111.52

Finding the Fourth Proportional to 5,809.31, 8,714.30 and 2,111.52

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Solution

The fourth proportional to 5,809.31, 8,714.30 and 2,111.52 is: 3,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.31 : 8,714.30 = 2,111.52 : x
  2. Step 2: Convert to fraction form
    5,809.31/8,714.30 = 2,111.52/x
  3. Step 3: Cross multiply
    5,809.31x = 8,714.30 × 2,111.52
  4. Step 4: Simplify right side
    5,809.31x = 18,400,408.18
  5. Step 5: Solve for x
    x = 18,400,408.18/5,809.31
  6. Step 6: Final answer
    x = 3,167.40

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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.