Home / 9,106.39-13,659.63-2,866.15

Finding the Fourth Proportional to 9,106.39, 13,659.63 and 2,866.15

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Solution

The fourth proportional to 9,106.39, 13,659.63 and 2,866.15 is: 4,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.39 : 13,659.63 = 2,866.15 : x
  2. Step 2: Convert to fraction form
    9,106.39/13,659.63 = 2,866.15/x
  3. Step 3: Cross multiply
    9,106.39x = 13,659.63 × 2,866.15
  4. Step 4: Simplify right side
    9,106.39x = 39,150,548.52
  5. Step 5: Solve for x
    x = 39,150,548.52/9,106.39
  6. Step 6: Final answer
    x = 4,299.24

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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.