Home / 9,316.37-13,974.54-2,390.87

Finding the Fourth Proportional to 9,316.37, 13,974.54 and 2,390.87

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Solution

The fourth proportional to 9,316.37, 13,974.54 and 2,390.87 is: 3,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.37 : 13,974.54 = 2,390.87 : x
  2. Step 2: Convert to fraction form
    9,316.37/13,974.54 = 2,390.87/x
  3. Step 3: Cross multiply
    9,316.37x = 13,974.54 × 2,390.87
  4. Step 4: Simplify right side
    9,316.37x = 33,411,238.58
  5. Step 5: Solve for x
    x = 33,411,238.58/9,316.37
  6. Step 6: Final answer
    x = 3,586.30

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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.