Home / 5,536.64-7,640.19-3,018.76

Finding the Fourth Proportional to 5,536.64, 7,640.19 and 3,018.76

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Solution

The fourth proportional to 5,536.64, 7,640.19 and 3,018.76 is: 4,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.64 : 7,640.19 = 3,018.76 : x
  2. Step 2: Convert to fraction form
    5,536.64/7,640.19 = 3,018.76/x
  3. Step 3: Cross multiply
    5,536.64x = 7,640.19 × 3,018.76
  4. Step 4: Simplify right side
    5,536.64x = 23,063,880.86
  5. Step 5: Solve for x
    x = 23,063,880.86/5,536.64
  6. Step 6: Final answer
    x = 4,165.68

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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.