Home / 7,238.14-9,988.80-4,094.50

Finding the Fourth Proportional to 7,238.14, 9,988.80 and 4,094.50

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Solution

The fourth proportional to 7,238.14, 9,988.80 and 4,094.50 is: 5,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.14 : 9,988.80 = 4,094.50 : x
  2. Step 2: Convert to fraction form
    7,238.14/9,988.80 = 4,094.50/x
  3. Step 3: Cross multiply
    7,238.14x = 9,988.80 × 4,094.50
  4. Step 4: Simplify right side
    7,238.14x = 40,899,141.60
  5. Step 5: Solve for x
    x = 40,899,141.60/7,238.14
  6. Step 6: Final answer
    x = 5,650.50

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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.