Home / 9,803.56-14,707.79-2,878.06

Finding the Fourth Proportional to 9,803.56, 14,707.79 and 2,878.06

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Solution

The fourth proportional to 9,803.56, 14,707.79 and 2,878.06 is: 4,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.56 : 14,707.79 = 2,878.06 : x
  2. Step 2: Convert to fraction form
    9,803.56/14,707.79 = 2,878.06/x
  3. Step 3: Cross multiply
    9,803.56x = 14,707.79 × 2,878.06
  4. Step 4: Simplify right side
    9,803.56x = 42,329,902.09
  5. Step 5: Solve for x
    x = 42,329,902.09/9,803.56
  6. Step 6: Final answer
    x = 4,317.81

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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.