Home / 8,375.90-11,556.42-5,395.50

Finding the Fourth Proportional to 8,375.90, 11,556.42 and 5,395.50

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Solution

The fourth proportional to 8,375.90, 11,556.42 and 5,395.50 is: 7,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.90 : 11,556.42 = 5,395.50 : x
  2. Step 2: Convert to fraction form
    8,375.90/11,556.42 = 5,395.50/x
  3. Step 3: Cross multiply
    8,375.90x = 11,556.42 × 5,395.50
  4. Step 4: Simplify right side
    8,375.90x = 62,352,664.11
  5. Step 5: Solve for x
    x = 62,352,664.11/8,375.90
  6. Step 6: Final answer
    x = 7,444.30

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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.