Home / 7,827.40-10,801.98-4,992.26

Finding the Fourth Proportional to 7,827.40, 10,801.98 and 4,992.26

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Solution

The fourth proportional to 7,827.40, 10,801.98 and 4,992.26 is: 6,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.40 : 10,801.98 = 4,992.26 : x
  2. Step 2: Convert to fraction form
    7,827.40/10,801.98 = 4,992.26/x
  3. Step 3: Cross multiply
    7,827.40x = 10,801.98 × 4,992.26
  4. Step 4: Simplify right side
    7,827.40x = 53,926,267.71
  5. Step 5: Solve for x
    x = 53,926,267.71/7,827.40
  6. Step 6: Final answer
    x = 6,889.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.