Home / 4,911.85-7,369.60-2,280.66

Finding the Fourth Proportional to 4,911.85, 7,369.60 and 2,280.66

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Solution

The fourth proportional to 4,911.85, 7,369.60 and 2,280.66 is: 3,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.85 : 7,369.60 = 2,280.66 : x
  2. Step 2: Convert to fraction form
    4,911.85/7,369.60 = 2,280.66/x
  3. Step 3: Cross multiply
    4,911.85x = 7,369.60 × 2,280.66
  4. Step 4: Simplify right side
    4,911.85x = 16,807,551.94
  5. Step 5: Solve for x
    x = 16,807,551.94/4,911.85
  6. Step 6: Final answer
    x = 3,421.84

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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.