Home / 8,561.21-11,816.03-4,976.66

Finding the Fourth Proportional to 8,561.21, 11,816.03 and 4,976.66

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Solution

The fourth proportional to 8,561.21, 11,816.03 and 4,976.66 is: 6,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.21 : 11,816.03 = 4,976.66 : x
  2. Step 2: Convert to fraction form
    8,561.21/11,816.03 = 4,976.66/x
  3. Step 3: Cross multiply
    8,561.21x = 11,816.03 × 4,976.66
  4. Step 4: Simplify right side
    8,561.21x = 58,804,363.86
  5. Step 5: Solve for x
    x = 58,804,363.86/8,561.21
  6. Step 6: Final answer
    x = 6,868.70

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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.