Home / 4,911.21-6,772.08-4,276.07

Finding the Fourth Proportional to 4,911.21, 6,772.08 and 4,276.07

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Solution

The fourth proportional to 4,911.21, 6,772.08 and 4,276.07 is: 5,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.21 : 6,772.08 = 4,276.07 : x
  2. Step 2: Convert to fraction form
    4,911.21/6,772.08 = 4,276.07/x
  3. Step 3: Cross multiply
    4,911.21x = 6,772.08 × 4,276.07
  4. Step 4: Simplify right side
    4,911.21x = 28,957,895.70
  5. Step 5: Solve for x
    x = 28,957,895.70/4,911.21
  6. Step 6: Final answer
    x = 5,896.29

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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.