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Finding the Fourth Proportional to 8,510.80, 11,745.36 and 4,976.08

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Solution

The fourth proportional to 8,510.80, 11,745.36 and 4,976.08 is: 6,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.80 : 11,745.36 = 4,976.08 : x
  2. Step 2: Convert to fraction form
    8,510.80/11,745.36 = 4,976.08/x
  3. Step 3: Cross multiply
    8,510.80x = 11,745.36 × 4,976.08
  4. Step 4: Simplify right side
    8,510.80x = 58,445,850.99
  5. Step 5: Solve for x
    x = 58,445,850.99/8,510.80
  6. Step 6: Final answer
    x = 6,867.26

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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.