Home / 6,388.04-9,582.06-2,690.19

Finding the Fourth Proportional to 6,388.04, 9,582.06 and 2,690.19

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Solution

The fourth proportional to 6,388.04, 9,582.06 and 2,690.19 is: 4,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.04 : 9,582.06 = 2,690.19 : x
  2. Step 2: Convert to fraction form
    6,388.04/9,582.06 = 2,690.19/x
  3. Step 3: Cross multiply
    6,388.04x = 9,582.06 × 2,690.19
  4. Step 4: Simplify right side
    6,388.04x = 25,777,561.99
  5. Step 5: Solve for x
    x = 25,777,561.99/6,388.04
  6. Step 6: Final answer
    x = 4,035.29

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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.