Home / 7,945.36-11,911.79-5,017.50

Finding the Fourth Proportional to 7,945.36, 11,911.79 and 5,017.50

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Solution

The fourth proportional to 7,945.36, 11,911.79 and 5,017.50 is: 7,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.36 : 11,911.79 = 5,017.50 : x
  2. Step 2: Convert to fraction form
    7,945.36/11,911.79 = 5,017.50/x
  3. Step 3: Cross multiply
    7,945.36x = 11,911.79 × 5,017.50
  4. Step 4: Simplify right side
    7,945.36x = 59,767,418.87
  5. Step 5: Solve for x
    x = 59,767,418.87/7,945.36
  6. Step 6: Final answer
    x = 7,522.31

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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.