Home / 8,828.70-13,243.05-2,985.76

Finding the Fourth Proportional to 8,828.70, 13,243.05 and 2,985.76

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Solution

The fourth proportional to 8,828.70, 13,243.05 and 2,985.76 is: 4,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.70 : 13,243.05 = 2,985.76 : x
  2. Step 2: Convert to fraction form
    8,828.70/13,243.05 = 2,985.76/x
  3. Step 3: Cross multiply
    8,828.70x = 13,243.05 × 2,985.76
  4. Step 4: Simplify right side
    8,828.70x = 39,540,568.97
  5. Step 5: Solve for x
    x = 39,540,568.97/8,828.70
  6. Step 6: Final answer
    x = 4,478.64

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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.