Home / 4,087.90-5,623.59-3,581.47

Finding the Fourth Proportional to 4,087.90, 5,623.59 and 3,581.47

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Solution

The fourth proportional to 4,087.90, 5,623.59 and 3,581.47 is: 4,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.90 : 5,623.59 = 3,581.47 : x
  2. Step 2: Convert to fraction form
    4,087.90/5,623.59 = 3,581.47/x
  3. Step 3: Cross multiply
    4,087.90x = 5,623.59 × 3,581.47
  4. Step 4: Simplify right side
    4,087.90x = 20,140,739.34
  5. Step 5: Solve for x
    x = 20,140,739.34/4,087.90
  6. Step 6: Final answer
    x = 4,926.91

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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.