Home / 7,889.22-10,886.04-4,531.50

Finding the Fourth Proportional to 7,889.22, 10,886.04 and 4,531.50

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Solution

The fourth proportional to 7,889.22, 10,886.04 and 4,531.50 is: 6,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.22 : 10,886.04 = 4,531.50 : x
  2. Step 2: Convert to fraction form
    7,889.22/10,886.04 = 4,531.50/x
  3. Step 3: Cross multiply
    7,889.22x = 10,886.04 × 4,531.50
  4. Step 4: Simplify right side
    7,889.22x = 49,330,090.26
  5. Step 5: Solve for x
    x = 49,330,090.26/7,889.22
  6. Step 6: Final answer
    x = 6,252.85

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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.