Home / 8,409.84-12,607.44-4,246.36

Finding the Fourth Proportional to 8,409.84, 12,607.44 and 4,246.36

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Solution

The fourth proportional to 8,409.84, 12,607.44 and 4,246.36 is: 6,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.84 : 12,607.44 = 4,246.36 : x
  2. Step 2: Convert to fraction form
    8,409.84/12,607.44 = 4,246.36/x
  3. Step 3: Cross multiply
    8,409.84x = 12,607.44 × 4,246.36
  4. Step 4: Simplify right side
    8,409.84x = 53,535,728.92
  5. Step 5: Solve for x
    x = 53,535,728.92/8,409.84
  6. Step 6: Final answer
    x = 6,365.84

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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.