Home / 5,810.58-8,709.57-2,111.72

Finding the Fourth Proportional to 5,810.58, 8,709.57 and 2,111.72

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Solution

The fourth proportional to 5,810.58, 8,709.57 and 2,111.72 is: 3,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.58 : 8,709.57 = 2,111.72 : x
  2. Step 2: Convert to fraction form
    5,810.58/8,709.57 = 2,111.72/x
  3. Step 3: Cross multiply
    5,810.58x = 8,709.57 × 2,111.72
  4. Step 4: Simplify right side
    5,810.58x = 18,392,129.61
  5. Step 5: Solve for x
    x = 18,392,129.61/5,810.58
  6. Step 6: Final answer
    x = 3,165.28

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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.