Home / 9,189.83-13,787.06-2,950.40

Finding the Fourth Proportional to 9,189.83, 13,787.06 and 2,950.40

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Solution

The fourth proportional to 9,189.83, 13,787.06 and 2,950.40 is: 4,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.83 : 13,787.06 = 2,950.40 : x
  2. Step 2: Convert to fraction form
    9,189.83/13,787.06 = 2,950.40/x
  3. Step 3: Cross multiply
    9,189.83x = 13,787.06 × 2,950.40
  4. Step 4: Simplify right side
    9,189.83x = 40,677,327.07
  5. Step 5: Solve for x
    x = 40,677,327.07/9,189.83
  6. Step 6: Final answer
    x = 4,426.34

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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.