Home / 8,187.17-11,299.64-4,830.80

Finding the Fourth Proportional to 8,187.17, 11,299.64 and 4,830.80

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Solution

The fourth proportional to 8,187.17, 11,299.64 and 4,830.80 is: 6,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.17 : 11,299.64 = 4,830.80 : x
  2. Step 2: Convert to fraction form
    8,187.17/11,299.64 = 4,830.80/x
  3. Step 3: Cross multiply
    8,187.17x = 11,299.64 × 4,830.80
  4. Step 4: Simplify right side
    8,187.17x = 54,586,220.26
  5. Step 5: Solve for x
    x = 54,586,220.26/8,187.17
  6. Step 6: Final answer
    x = 6,667.29

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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.