Home / 8,709.83-13,065.50-2,788.02

Finding the Fourth Proportional to 8,709.83, 13,065.50 and 2,788.02

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Solution

The fourth proportional to 8,709.83, 13,065.50 and 2,788.02 is: 4,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.83 : 13,065.50 = 2,788.02 : x
  2. Step 2: Convert to fraction form
    8,709.83/13,065.50 = 2,788.02/x
  3. Step 3: Cross multiply
    8,709.83x = 13,065.50 × 2,788.02
  4. Step 4: Simplify right side
    8,709.83x = 36,426,882.28
  5. Step 5: Solve for x
    x = 36,426,882.28/8,709.83
  6. Step 6: Final answer
    x = 4,182.27

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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.