Home / 8,539.19-12,807.83-2,299.66

Finding the Fourth Proportional to 8,539.19, 12,807.83 and 2,299.66

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Solution

The fourth proportional to 8,539.19, 12,807.83 and 2,299.66 is: 3,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.19 : 12,807.83 = 2,299.66 : x
  2. Step 2: Convert to fraction form
    8,539.19/12,807.83 = 2,299.66/x
  3. Step 3: Cross multiply
    8,539.19x = 12,807.83 × 2,299.66
  4. Step 4: Simplify right side
    8,539.19x = 29,453,647.92
  5. Step 5: Solve for x
    x = 29,453,647.92/8,539.19
  6. Step 6: Final answer
    x = 3,449.23

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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.