Home / 4,087.04-6,126.72-2,140.52

Finding the Fourth Proportional to 4,087.04, 6,126.72 and 2,140.52

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Solution

The fourth proportional to 4,087.04, 6,126.72 and 2,140.52 is: 3,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.04 : 6,126.72 = 2,140.52 : x
  2. Step 2: Convert to fraction form
    4,087.04/6,126.72 = 2,140.52/x
  3. Step 3: Cross multiply
    4,087.04x = 6,126.72 × 2,140.52
  4. Step 4: Simplify right side
    4,087.04x = 13,114,366.69
  5. Step 5: Solve for x
    x = 13,114,366.69/4,087.04
  6. Step 6: Final answer
    x = 3,208.77

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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.