Home / 5,929.86-8,895.60-2,181.81

Finding the Fourth Proportional to 5,929.86, 8,895.60 and 2,181.81

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Solution

The fourth proportional to 5,929.86, 8,895.60 and 2,181.81 is: 3,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.86 : 8,895.60 = 2,181.81 : x
  2. Step 2: Convert to fraction form
    5,929.86/8,895.60 = 2,181.81/x
  3. Step 3: Cross multiply
    5,929.86x = 8,895.60 × 2,181.81
  4. Step 4: Simplify right side
    5,929.86x = 19,408,509.04
  5. Step 5: Solve for x
    x = 19,408,509.04/5,929.86
  6. Step 6: Final answer
    x = 3,273.01

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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.