Home / 4,390.89-6,588.09-1,927.14

Finding the Fourth Proportional to 4,390.89, 6,588.09 and 1,927.14

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Solution

The fourth proportional to 4,390.89, 6,588.09 and 1,927.14 is: 2,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.89 : 6,588.09 = 1,927.14 : x
  2. Step 2: Convert to fraction form
    4,390.89/6,588.09 = 1,927.14/x
  3. Step 3: Cross multiply
    4,390.89x = 6,588.09 × 1,927.14
  4. Step 4: Simplify right side
    4,390.89x = 12,696,171.76
  5. Step 5: Solve for x
    x = 12,696,171.76/4,390.89
  6. Step 6: Final answer
    x = 2,891.48

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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.