Home / 4,911.84-7,360.59-2,280.15

Finding the Fourth Proportional to 4,911.84, 7,360.59 and 2,280.15

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Solution

The fourth proportional to 4,911.84, 7,360.59 and 2,280.15 is: 3,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.84 : 7,360.59 = 2,280.15 : x
  2. Step 2: Convert to fraction form
    4,911.84/7,360.59 = 2,280.15/x
  3. Step 3: Cross multiply
    4,911.84x = 7,360.59 × 2,280.15
  4. Step 4: Simplify right side
    4,911.84x = 16,783,212.49
  5. Step 5: Solve for x
    x = 16,783,212.49/4,911.84
  6. Step 6: Final answer
    x = 3,416.89

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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.