Home / 9,808.28-14,712.55-2,788.29

Finding the Fourth Proportional to 9,808.28, 14,712.55 and 2,788.29

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Solution

The fourth proportional to 9,808.28, 14,712.55 and 2,788.29 is: 4,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.28 : 14,712.55 = 2,788.29 : x
  2. Step 2: Convert to fraction form
    9,808.28/14,712.55 = 2,788.29/x
  3. Step 3: Cross multiply
    9,808.28x = 14,712.55 × 2,788.29
  4. Step 4: Simplify right side
    9,808.28x = 41,022,849.07
  5. Step 5: Solve for x
    x = 41,022,849.07/9,808.28
  6. Step 6: Final answer
    x = 4,182.47

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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.