Home / 7,941.65-11,911.05-4,651.43

Finding the Fourth Proportional to 7,941.65, 11,911.05 and 4,651.43

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Solution

The fourth proportional to 7,941.65, 11,911.05 and 4,651.43 is: 6,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.65 : 11,911.05 = 4,651.43 : x
  2. Step 2: Convert to fraction form
    7,941.65/11,911.05 = 4,651.43/x
  3. Step 3: Cross multiply
    7,941.65x = 11,911.05 × 4,651.43
  4. Step 4: Simplify right side
    7,941.65x = 55,403,355.75
  5. Step 5: Solve for x
    x = 55,403,355.75/7,941.65
  6. Step 6: Final answer
    x = 6,976.31

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1.5x scale

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.