Home / 9,827.28-14,741.80-2,807.36

Finding the Fourth Proportional to 9,827.28, 14,741.80 and 2,807.36

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Solution

The fourth proportional to 9,827.28, 14,741.80 and 2,807.36 is: 4,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.28 : 14,741.80 = 2,807.36 : x
  2. Step 2: Convert to fraction form
    9,827.28/14,741.80 = 2,807.36/x
  3. Step 3: Cross multiply
    9,827.28x = 14,741.80 × 2,807.36
  4. Step 4: Simplify right side
    9,827.28x = 41,385,539.65
  5. Step 5: Solve for x
    x = 41,385,539.65/9,827.28
  6. Step 6: Final answer
    x = 4,211.29

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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.