Home / 6,779.30-10,167.98-2,621.27

Finding the Fourth Proportional to 6,779.30, 10,167.98 and 2,621.27

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Solution

The fourth proportional to 6,779.30, 10,167.98 and 2,621.27 is: 3,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.30 : 10,167.98 = 2,621.27 : x
  2. Step 2: Convert to fraction form
    6,779.30/10,167.98 = 2,621.27/x
  3. Step 3: Cross multiply
    6,779.30x = 10,167.98 × 2,621.27
  4. Step 4: Simplify right side
    6,779.30x = 26,652,970.09
  5. Step 5: Solve for x
    x = 26,652,970.09/6,779.30
  6. Step 6: Final answer
    x = 3,931.52

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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.