Home / 7,388.29-10,196.09-4,031.29

Finding the Fourth Proportional to 7,388.29, 10,196.09 and 4,031.29

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Solution

The fourth proportional to 7,388.29, 10,196.09 and 4,031.29 is: 5,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.29 : 10,196.09 = 4,031.29 : x
  2. Step 2: Convert to fraction form
    7,388.29/10,196.09 = 4,031.29/x
  3. Step 3: Cross multiply
    7,388.29x = 10,196.09 × 4,031.29
  4. Step 4: Simplify right side
    7,388.29x = 41,103,395.66
  5. Step 5: Solve for x
    x = 41,103,395.66/7,388.29
  6. Step 6: Final answer
    x = 5,563.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.