Home / 9,026.51-13,538.51-2,786.72

Finding the Fourth Proportional to 9,026.51, 13,538.51 and 2,786.72

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Solution

The fourth proportional to 9,026.51, 13,538.51 and 2,786.72 is: 4,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.51 : 13,538.51 = 2,786.72 : x
  2. Step 2: Convert to fraction form
    9,026.51/13,538.51 = 2,786.72/x
  3. Step 3: Cross multiply
    9,026.51x = 13,538.51 × 2,786.72
  4. Step 4: Simplify right side
    9,026.51x = 37,728,056.50
  5. Step 5: Solve for x
    x = 37,728,056.50/9,026.51
  6. Step 6: Final answer
    x = 4,179.70

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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.