Home / 5,536.48-7,640.30-3,018.60

Finding the Fourth Proportional to 5,536.48, 7,640.30 and 3,018.60

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Solution

The fourth proportional to 5,536.48, 7,640.30 and 3,018.60 is: 4,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.48 : 7,640.30 = 3,018.60 : x
  2. Step 2: Convert to fraction form
    5,536.48/7,640.30 = 3,018.60/x
  3. Step 3: Cross multiply
    5,536.48x = 7,640.30 × 3,018.60
  4. Step 4: Simplify right side
    5,536.48x = 23,063,009.58
  5. Step 5: Solve for x
    x = 23,063,009.58/5,536.48
  6. Step 6: Final answer
    x = 4,165.64

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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.