Home / 8,409.36-12,604.32-4,900.56

Finding the Fourth Proportional to 8,409.36, 12,604.32 and 4,900.56

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Solution

The fourth proportional to 8,409.36, 12,604.32 and 4,900.56 is: 7,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.36 : 12,604.32 = 4,900.56 : x
  2. Step 2: Convert to fraction form
    8,409.36/12,604.32 = 4,900.56/x
  3. Step 3: Cross multiply
    8,409.36x = 12,604.32 × 4,900.56
  4. Step 4: Simplify right side
    8,409.36x = 61,768,226.42
  5. Step 5: Solve for x
    x = 61,768,226.42/8,409.36
  6. Step 6: Final answer
    x = 7,345.18

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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.