Home / 7,779.47-11,656.41-4,495.31

Finding the Fourth Proportional to 7,779.47, 11,656.41 and 4,495.31

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Solution

The fourth proportional to 7,779.47, 11,656.41 and 4,495.31 is: 6,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.47 : 11,656.41 = 4,495.31 : x
  2. Step 2: Convert to fraction form
    7,779.47/11,656.41 = 4,495.31/x
  3. Step 3: Cross multiply
    7,779.47x = 11,656.41 × 4,495.31
  4. Step 4: Simplify right side
    7,779.47x = 52,399,176.44
  5. Step 5: Solve for x
    x = 52,399,176.44/7,779.47
  6. Step 6: Final answer
    x = 6,735.57

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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.