Home / 9,431.90-14,148.54-2,858.61

Finding the Fourth Proportional to 9,431.90, 14,148.54 and 2,858.61

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Solution

The fourth proportional to 9,431.90, 14,148.54 and 2,858.61 is: 4,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.90 : 14,148.54 = 2,858.61 : x
  2. Step 2: Convert to fraction form
    9,431.90/14,148.54 = 2,858.61/x
  3. Step 3: Cross multiply
    9,431.90x = 14,148.54 × 2,858.61
  4. Step 4: Simplify right side
    9,431.90x = 40,445,157.93
  5. Step 5: Solve for x
    x = 40,445,157.93/9,431.90
  6. Step 6: Final answer
    x = 4,288.13

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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.