Home / 7,941.66-11,921.85-4,657.26

Finding the Fourth Proportional to 7,941.66, 11,921.85 and 4,657.26

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Solution

The fourth proportional to 7,941.66, 11,921.85 and 4,657.26 is: 6,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.66 : 11,921.85 = 4,657.26 : x
  2. Step 2: Convert to fraction form
    7,941.66/11,921.85 = 4,657.26/x
  3. Step 3: Cross multiply
    7,941.66x = 11,921.85 × 4,657.26
  4. Step 4: Simplify right side
    7,941.66x = 55,523,155.13
  5. Step 5: Solve for x
    x = 55,523,155.13/7,941.66
  6. Step 6: Final answer
    x = 6,991.38

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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.