Home / 4,087.06-5,633.40-2,890.50

Finding the Fourth Proportional to 4,087.06, 5,633.40 and 2,890.50

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Solution

The fourth proportional to 4,087.06, 5,633.40 and 2,890.50 is: 3,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.06 : 5,633.40 = 2,890.50 : x
  2. Step 2: Convert to fraction form
    4,087.06/5,633.40 = 2,890.50/x
  3. Step 3: Cross multiply
    4,087.06x = 5,633.40 × 2,890.50
  4. Step 4: Simplify right side
    4,087.06x = 16,283,300.08
  5. Step 5: Solve for x
    x = 16,283,300.08/4,087.06
  6. Step 6: Final answer
    x = 3,984.12

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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.