Home / 4,885.92-7,330.80-2,148

Finding the Fourth Proportional to 4,885.92, 7,330.80 and 2,148

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Solution

The fourth proportional to 4,885.92, 7,330.80 and 2,148 is: 3,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.92 : 7,330.80 = 2,148 : x
  2. Step 2: Convert to fraction form
    4,885.92/7,330.80 = 2,148/x
  3. Step 3: Cross multiply
    4,885.92x = 7,330.80 × 2,148
  4. Step 4: Simplify right side
    4,885.92x = 15,746,558.40
  5. Step 5: Solve for x
    x = 15,746,558.40/4,885.92
  6. Step 6: Final answer
    x = 3,222.84

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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.