Home / 7,694.79-11,542.18-2,430.21

Finding the Fourth Proportional to 7,694.79, 11,542.18 and 2,430.21

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Solution

The fourth proportional to 7,694.79, 11,542.18 and 2,430.21 is: 3,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.79 : 11,542.18 = 2,430.21 : x
  2. Step 2: Convert to fraction form
    7,694.79/11,542.18 = 2,430.21/x
  3. Step 3: Cross multiply
    7,694.79x = 11,542.18 × 2,430.21
  4. Step 4: Simplify right side
    7,694.79x = 28,049,921.26
  5. Step 5: Solve for x
    x = 28,049,921.26/7,694.79
  6. Step 6: Final answer
    x = 3,645.31

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Double scale
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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.