Home / 8,298.77-12,450.47-3,619.19

Finding the Fourth Proportional to 8,298.77, 12,450.47 and 3,619.19

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Solution

The fourth proportional to 8,298.77, 12,450.47 and 3,619.19 is: 5,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.77 : 12,450.47 = 3,619.19 : x
  2. Step 2: Convert to fraction form
    8,298.77/12,450.47 = 3,619.19/x
  3. Step 3: Cross multiply
    8,298.77x = 12,450.47 × 3,619.19
  4. Step 4: Simplify right side
    8,298.77x = 45,060,616.52
  5. Step 5: Solve for x
    x = 45,060,616.52/8,298.77
  6. Step 6: Final answer
    x = 5,429.79

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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.