Home / 7,694.74-11,543.66-2,430.57

Finding the Fourth Proportional to 7,694.74, 11,543.66 and 2,430.57

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Solution

The fourth proportional to 7,694.74, 11,543.66 and 2,430.57 is: 3,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.74 : 11,543.66 = 2,430.57 : x
  2. Step 2: Convert to fraction form
    7,694.74/11,543.66 = 2,430.57/x
  3. Step 3: Cross multiply
    7,694.74x = 11,543.66 × 2,430.57
  4. Step 4: Simplify right side
    7,694.74x = 28,057,673.69
  5. Step 5: Solve for x
    x = 28,057,673.69/7,694.74
  6. Step 6: Final answer
    x = 3,646.34

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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.