Home / 9,328.07-13,992.10-3,086.40

Finding the Fourth Proportional to 9,328.07, 13,992.10 and 3,086.40

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Solution

The fourth proportional to 9,328.07, 13,992.10 and 3,086.40 is: 4,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.07 : 13,992.10 = 3,086.40 : x
  2. Step 2: Convert to fraction form
    9,328.07/13,992.10 = 3,086.40/x
  3. Step 3: Cross multiply
    9,328.07x = 13,992.10 × 3,086.40
  4. Step 4: Simplify right side
    9,328.07x = 43,185,217.44
  5. Step 5: Solve for x
    x = 43,185,217.44/9,328.07
  6. Step 6: Final answer
    x = 4,629.60

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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.