Home / 6,287.40-9,427.68-2,535.84

Finding the Fourth Proportional to 6,287.40, 9,427.68 and 2,535.84

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Solution

The fourth proportional to 6,287.40, 9,427.68 and 2,535.84 is: 3,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.40 : 9,427.68 = 2,535.84 : x
  2. Step 2: Convert to fraction form
    6,287.40/9,427.68 = 2,535.84/x
  3. Step 3: Cross multiply
    6,287.40x = 9,427.68 × 2,535.84
  4. Step 4: Simplify right side
    6,287.40x = 23,907,088.05
  5. Step 5: Solve for x
    x = 23,907,088.05/6,287.40
  6. Step 6: Final answer
    x = 3,802.38

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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.