Home / 4,968.32-7,439.36-3,111.68

Finding the Fourth Proportional to 4,968.32, 7,439.36 and 3,111.68

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Solution

The fourth proportional to 4,968.32, 7,439.36 and 3,111.68 is: 4,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.32 : 7,439.36 = 3,111.68 : x
  2. Step 2: Convert to fraction form
    4,968.32/7,439.36 = 3,111.68/x
  3. Step 3: Cross multiply
    4,968.32x = 7,439.36 × 3,111.68
  4. Step 4: Simplify right side
    4,968.32x = 23,148,907.72
  5. Step 5: Solve for x
    x = 23,148,907.72/4,968.32
  6. Step 6: Final answer
    x = 4,659.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.