Home / 4,809.55-7,216.86-3,412.99

Finding the Fourth Proportional to 4,809.55, 7,216.86 and 3,412.99

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Solution

The fourth proportional to 4,809.55, 7,216.86 and 3,412.99 is: 5,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.55 : 7,216.86 = 3,412.99 : x
  2. Step 2: Convert to fraction form
    4,809.55/7,216.86 = 3,412.99/x
  3. Step 3: Cross multiply
    4,809.55x = 7,216.86 × 3,412.99
  4. Step 4: Simplify right side
    4,809.55x = 24,631,017.86
  5. Step 5: Solve for x
    x = 24,631,017.86/4,809.55
  6. Step 6: Final answer
    x = 5,121.28

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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.