Home / 4,590-6,889.55-2,125.37

Finding the Fourth Proportional to 4,590, 6,889.55 and 2,125.37

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Solution

The fourth proportional to 4,590, 6,889.55 and 2,125.37 is: 3,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590 : 6,889.55 = 2,125.37 : x
  2. Step 2: Convert to fraction form
    4,590/6,889.55 = 2,125.37/x
  3. Step 3: Cross multiply
    4,590x = 6,889.55 × 2,125.37
  4. Step 4: Simplify right side
    4,590x = 14,642,842.88
  5. Step 5: Solve for x
    x = 14,642,842.88/4,590
  6. Step 6: Final answer
    x = 3,190.16

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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.