Home / 9,431.92-14,147.28-2,858.32

Finding the Fourth Proportional to 9,431.92, 14,147.28 and 2,858.32

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Solution

The fourth proportional to 9,431.92, 14,147.28 and 2,858.32 is: 4,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.92 : 14,147.28 = 2,858.32 : x
  2. Step 2: Convert to fraction form
    9,431.92/14,147.28 = 2,858.32/x
  3. Step 3: Cross multiply
    9,431.92x = 14,147.28 × 2,858.32
  4. Step 4: Simplify right side
    9,431.92x = 40,437,453.37
  5. Step 5: Solve for x
    x = 40,437,453.37/9,431.92
  6. Step 6: Final answer
    x = 4,287.30

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1.5x scale

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.