Home / 9,795.28-14,689.80-3,219.92

Finding the Fourth Proportional to 9,795.28, 14,689.80 and 3,219.92

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Solution

The fourth proportional to 9,795.28, 14,689.80 and 3,219.92 is: 4,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.28 : 14,689.80 = 3,219.92 : x
  2. Step 2: Convert to fraction form
    9,795.28/14,689.80 = 3,219.92/x
  3. Step 3: Cross multiply
    9,795.28x = 14,689.80 × 3,219.92
  4. Step 4: Simplify right side
    9,795.28x = 47,299,980.82
  5. Step 5: Solve for x
    x = 47,299,980.82/9,795.28
  6. Step 6: Final answer
    x = 4,828.85

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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.