Home / 8,143.39-11,237.70-4,786.53

Finding the Fourth Proportional to 8,143.39, 11,237.70 and 4,786.53

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Solution

The fourth proportional to 8,143.39, 11,237.70 and 4,786.53 is: 6,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.39 : 11,237.70 = 4,786.53 : x
  2. Step 2: Convert to fraction form
    8,143.39/11,237.70 = 4,786.53/x
  3. Step 3: Cross multiply
    8,143.39x = 11,237.70 × 4,786.53
  4. Step 4: Simplify right side
    8,143.39x = 53,789,588.18
  5. Step 5: Solve for x
    x = 53,789,588.18/8,143.39
  6. Step 6: Final answer
    x = 6,605.31

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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.