Home / 7,690.08-11,525.60-5,465.37

Finding the Fourth Proportional to 7,690.08, 11,525.60 and 5,465.37

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Solution

The fourth proportional to 7,690.08, 11,525.60 and 5,465.37 is: 8,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.08 : 11,525.60 = 5,465.37 : x
  2. Step 2: Convert to fraction form
    7,690.08/11,525.60 = 5,465.37/x
  3. Step 3: Cross multiply
    7,690.08x = 11,525.60 × 5,465.37
  4. Step 4: Simplify right side
    7,690.08x = 62,991,638.91
  5. Step 5: Solve for x
    x = 62,991,638.91/7,690.08
  6. Step 6: Final answer
    x = 8,191.29

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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.