Home / 3,845.64-5,307.06-3,007.32

Finding the Fourth Proportional to 3,845.64, 5,307.06 and 3,007.32

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Solution

The fourth proportional to 3,845.64, 5,307.06 and 3,007.32 is: 4,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.64 : 5,307.06 = 3,007.32 : x
  2. Step 2: Convert to fraction form
    3,845.64/5,307.06 = 3,007.32/x
  3. Step 3: Cross multiply
    3,845.64x = 5,307.06 × 3,007.32
  4. Step 4: Simplify right side
    3,845.64x = 15,960,027.68
  5. Step 5: Solve for x
    x = 15,960,027.68/3,845.64
  6. Step 6: Final answer
    x = 4,150.16

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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.