Home / 4,087.80-6,130.02-1,622.28

Finding the Fourth Proportional to 4,087.80, 6,130.02 and 1,622.28

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Solution

The fourth proportional to 4,087.80, 6,130.02 and 1,622.28 is: 2,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.80 : 6,130.02 = 1,622.28 : x
  2. Step 2: Convert to fraction form
    4,087.80/6,130.02 = 1,622.28/x
  3. Step 3: Cross multiply
    4,087.80x = 6,130.02 × 1,622.28
  4. Step 4: Simplify right side
    4,087.80x = 9,944,608.85
  5. Step 5: Solve for x
    x = 9,944,608.85/4,087.80
  6. Step 6: Final answer
    x = 2,432.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.