Home / 7,616.68-11,430.79-3,237.21

Finding the Fourth Proportional to 7,616.68, 11,430.79 and 3,237.21

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Solution

The fourth proportional to 7,616.68, 11,430.79 and 3,237.21 is: 4,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.68 : 11,430.79 = 3,237.21 : x
  2. Step 2: Convert to fraction form
    7,616.68/11,430.79 = 3,237.21/x
  3. Step 3: Cross multiply
    7,616.68x = 11,430.79 × 3,237.21
  4. Step 4: Simplify right side
    7,616.68x = 37,003,859.60
  5. Step 5: Solve for x
    x = 37,003,859.60/7,616.68
  6. Step 6: Final answer
    x = 4,858.27

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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.