Home / 7,968.32-10,995.04-4,431.52

Finding the Fourth Proportional to 7,968.32, 10,995.04 and 4,431.52

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Solution

The fourth proportional to 7,968.32, 10,995.04 and 4,431.52 is: 6,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.32 : 10,995.04 = 4,431.52 : x
  2. Step 2: Convert to fraction form
    7,968.32/10,995.04 = 4,431.52/x
  3. Step 3: Cross multiply
    7,968.32x = 10,995.04 × 4,431.52
  4. Step 4: Simplify right side
    7,968.32x = 48,724,739.66
  5. Step 5: Solve for x
    x = 48,724,739.66/7,968.32
  6. Step 6: Final answer
    x = 6,114.81

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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.