Home / 9,228.30-13,840.20-2,653.80

Finding the Fourth Proportional to 9,228.30, 13,840.20 and 2,653.80

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Solution

The fourth proportional to 9,228.30, 13,840.20 and 2,653.80 is: 3,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.30 : 13,840.20 = 2,653.80 : x
  2. Step 2: Convert to fraction form
    9,228.30/13,840.20 = 2,653.80/x
  3. Step 3: Cross multiply
    9,228.30x = 13,840.20 × 2,653.80
  4. Step 4: Simplify right side
    9,228.30x = 36,729,122.76
  5. Step 5: Solve for x
    x = 36,729,122.76/9,228.30
  6. Step 6: Final answer
    x = 3,980.05

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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.