Home / 7,989.51-11,984.23-4,477.84

Finding the Fourth Proportional to 7,989.51, 11,984.23 and 4,477.84

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Solution

The fourth proportional to 7,989.51, 11,984.23 and 4,477.84 is: 6,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.51 : 11,984.23 = 4,477.84 : x
  2. Step 2: Convert to fraction form
    7,989.51/11,984.23 = 4,477.84/x
  3. Step 3: Cross multiply
    7,989.51x = 11,984.23 × 4,477.84
  4. Step 4: Simplify right side
    7,989.51x = 53,663,464.46
  5. Step 5: Solve for x
    x = 53,663,464.46/7,989.51
  6. Step 6: Final answer
    x = 6,716.74

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Similar ratio
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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.