Home / 9,228.60-13,844.42-2,990.18

Finding the Fourth Proportional to 9,228.60, 13,844.42 and 2,990.18

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Solution

The fourth proportional to 9,228.60, 13,844.42 and 2,990.18 is: 4,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.60 : 13,844.42 = 2,990.18 : x
  2. Step 2: Convert to fraction form
    9,228.60/13,844.42 = 2,990.18/x
  3. Step 3: Cross multiply
    9,228.60x = 13,844.42 × 2,990.18
  4. Step 4: Simplify right side
    9,228.60x = 41,397,307.80
  5. Step 5: Solve for x
    x = 41,397,307.80/9,228.60
  6. Step 6: Final answer
    x = 4,485.76

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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.