Home / 5,289.94-7,929.33-1,776.62

Finding the Fourth Proportional to 5,289.94, 7,929.33 and 1,776.62

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Solution

The fourth proportional to 5,289.94, 7,929.33 and 1,776.62 is: 2,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.94 : 7,929.33 = 1,776.62 : x
  2. Step 2: Convert to fraction form
    5,289.94/7,929.33 = 1,776.62/x
  3. Step 3: Cross multiply
    5,289.94x = 7,929.33 × 1,776.62
  4. Step 4: Simplify right side
    5,289.94x = 14,087,406.26
  5. Step 5: Solve for x
    x = 14,087,406.26/5,289.94
  6. Step 6: Final answer
    x = 2,663.06

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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.