Home / 9,106.79-13,661.15-2,867.00

Finding the Fourth Proportional to 9,106.79, 13,661.15 and 2,867.00

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Solution

The fourth proportional to 9,106.79, 13,661.15 and 2,867.00 is: 4,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.79 : 13,661.15 = 2,867.00 : x
  2. Step 2: Convert to fraction form
    9,106.79/13,661.15 = 2,867.00/x
  3. Step 3: Cross multiply
    9,106.79x = 13,661.15 × 2,867.00
  4. Step 4: Simplify right side
    9,106.79x = 39,166,434.41
  5. Step 5: Solve for x
    x = 39,166,434.41/9,106.79
  6. Step 6: Final answer
    x = 4,300.80

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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.