Home / 5,984.80-8,257.38-3,561.79

Finding the Fourth Proportional to 5,984.80, 8,257.38 and 3,561.79

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Solution

The fourth proportional to 5,984.80, 8,257.38 and 3,561.79 is: 4,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,984.80 : 8,257.38 = 3,561.79 : x
  2. Step 2: Convert to fraction form
    5,984.80/8,257.38 = 3,561.79/x
  3. Step 3: Cross multiply
    5,984.80x = 8,257.38 × 3,561.79
  4. Step 4: Simplify right side
    5,984.80x = 29,411,053.51
  5. Step 5: Solve for x
    x = 29,411,053.51/5,984.80
  6. Step 6: Final answer
    x = 4,914.29

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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.