Home / 7,324.36-10,987.71-3,165.63

Finding the Fourth Proportional to 7,324.36, 10,987.71 and 3,165.63

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Solution

The fourth proportional to 7,324.36, 10,987.71 and 3,165.63 is: 4,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.36 : 10,987.71 = 3,165.63 : x
  2. Step 2: Convert to fraction form
    7,324.36/10,987.71 = 3,165.63/x
  3. Step 3: Cross multiply
    7,324.36x = 10,987.71 × 3,165.63
  4. Step 4: Simplify right side
    7,324.36x = 34,782,971.33
  5. Step 5: Solve for x
    x = 34,782,971.33/7,324.36
  6. Step 6: Final answer
    x = 4,748.95

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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.