Home / 8,686.69-13,037.33-3,760.09

Finding the Fourth Proportional to 8,686.69, 13,037.33 and 3,760.09

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Solution

The fourth proportional to 8,686.69, 13,037.33 and 3,760.09 is: 5,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.69 : 13,037.33 = 3,760.09 : x
  2. Step 2: Convert to fraction form
    8,686.69/13,037.33 = 3,760.09/x
  3. Step 3: Cross multiply
    8,686.69x = 13,037.33 × 3,760.09
  4. Step 4: Simplify right side
    8,686.69x = 49,021,534.16
  5. Step 5: Solve for x
    x = 49,021,534.16/8,686.69
  6. Step 6: Final answer
    x = 5,643.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.