Home / 7,684.36-11,508.05-4,387.45

Finding the Fourth Proportional to 7,684.36, 11,508.05 and 4,387.45

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Solution

The fourth proportional to 7,684.36, 11,508.05 and 4,387.45 is: 6,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.36 : 11,508.05 = 4,387.45 : x
  2. Step 2: Convert to fraction form
    7,684.36/11,508.05 = 4,387.45/x
  3. Step 3: Cross multiply
    7,684.36x = 11,508.05 × 4,387.45
  4. Step 4: Simplify right side
    7,684.36x = 50,490,993.97
  5. Step 5: Solve for x
    x = 50,490,993.97/7,684.36
  6. Step 6: Final answer
    x = 6,570.62

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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.