Home / 5,779.02-8,666.36-2,491.86

Finding the Fourth Proportional to 5,779.02, 8,666.36 and 2,491.86

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Solution

The fourth proportional to 5,779.02, 8,666.36 and 2,491.86 is: 3,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.02 : 8,666.36 = 2,491.86 : x
  2. Step 2: Convert to fraction form
    5,779.02/8,666.36 = 2,491.86/x
  3. Step 3: Cross multiply
    5,779.02x = 8,666.36 × 2,491.86
  4. Step 4: Simplify right side
    5,779.02x = 21,595,355.83
  5. Step 5: Solve for x
    x = 21,595,355.83/5,779.02
  6. Step 6: Final answer
    x = 3,736.85

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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.