Home / 8,426.98-11,631-5,594.59

Finding the Fourth Proportional to 8,426.98, 11,631 and 5,594.59

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Solution

The fourth proportional to 8,426.98, 11,631 and 5,594.59 is: 7,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.98 : 11,631 = 5,594.59 : x
  2. Step 2: Convert to fraction form
    8,426.98/11,631 = 5,594.59/x
  3. Step 3: Cross multiply
    8,426.98x = 11,631 × 5,594.59
  4. Step 4: Simplify right side
    8,426.98x = 65,070,676.29
  5. Step 5: Solve for x
    x = 65,070,676.29/8,426.98
  6. Step 6: Final answer
    x = 7,721.71

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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.