Home / 5,437.07-8,147.60-2,431.46

Finding the Fourth Proportional to 5,437.07, 8,147.60 and 2,431.46

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Solution

The fourth proportional to 5,437.07, 8,147.60 and 2,431.46 is: 3,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.07 : 8,147.60 = 2,431.46 : x
  2. Step 2: Convert to fraction form
    5,437.07/8,147.60 = 2,431.46/x
  3. Step 3: Cross multiply
    5,437.07x = 8,147.60 × 2,431.46
  4. Step 4: Simplify right side
    5,437.07x = 19,810,571.71
  5. Step 5: Solve for x
    x = 19,810,571.71/5,437.07
  6. Step 6: Final answer
    x = 3,643.62

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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.