Home / 7,923.08-11,880.64-2,656.26

Finding the Fourth Proportional to 7,923.08, 11,880.64 and 2,656.26

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Solution

The fourth proportional to 7,923.08, 11,880.64 and 2,656.26 is: 3,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.08 : 11,880.64 = 2,656.26 : x
  2. Step 2: Convert to fraction form
    7,923.08/11,880.64 = 2,656.26/x
  3. Step 3: Cross multiply
    7,923.08x = 11,880.64 × 2,656.26
  4. Step 4: Simplify right side
    7,923.08x = 31,558,072.13
  5. Step 5: Solve for x
    x = 31,558,072.13/7,923.08
  6. Step 6: Final answer
    x = 3,983.05

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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.