Home / 8,257.48-12,387.51-2,709.56

Finding the Fourth Proportional to 8,257.48, 12,387.51 and 2,709.56

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Solution

The fourth proportional to 8,257.48, 12,387.51 and 2,709.56 is: 4,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.48 : 12,387.51 = 2,709.56 : x
  2. Step 2: Convert to fraction form
    8,257.48/12,387.51 = 2,709.56/x
  3. Step 3: Cross multiply
    8,257.48x = 12,387.51 × 2,709.56
  4. Step 4: Simplify right side
    8,257.48x = 33,564,759.51
  5. Step 5: Solve for x
    x = 33,564,759.51/8,257.48
  6. Step 6: Final answer
    x = 4,064.77

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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.