Home / 4,087.13-5,633.50-2,890.57

Finding the Fourth Proportional to 4,087.13, 5,633.50 and 2,890.57

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Solution

The fourth proportional to 4,087.13, 5,633.50 and 2,890.57 is: 3,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.13 : 5,633.50 = 2,890.57 : x
  2. Step 2: Convert to fraction form
    4,087.13/5,633.50 = 2,890.57/x
  3. Step 3: Cross multiply
    4,087.13x = 5,633.50 × 2,890.57
  4. Step 4: Simplify right side
    4,087.13x = 16,284,026.10
  5. Step 5: Solve for x
    x = 16,284,026.10/4,087.13
  6. Step 6: Final answer
    x = 3,984.22

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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.