Home / 9,189.22-13,783.62-2,948.98

Finding the Fourth Proportional to 9,189.22, 13,783.62 and 2,948.98

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Solution

The fourth proportional to 9,189.22, 13,783.62 and 2,948.98 is: 4,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.22 : 13,783.62 = 2,948.98 : x
  2. Step 2: Convert to fraction form
    9,189.22/13,783.62 = 2,948.98/x
  3. Step 3: Cross multiply
    9,189.22x = 13,783.62 × 2,948.98
  4. Step 4: Simplify right side
    9,189.22x = 40,647,619.71
  5. Step 5: Solve for x
    x = 40,647,619.71/9,189.22
  6. Step 6: Final answer
    x = 4,423.40

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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.