Home / 4,816.81-7,228.50-2,219.77

Finding the Fourth Proportional to 4,816.81, 7,228.50 and 2,219.77

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Solution

The fourth proportional to 4,816.81, 7,228.50 and 2,219.77 is: 3,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.81 : 7,228.50 = 2,219.77 : x
  2. Step 2: Convert to fraction form
    4,816.81/7,228.50 = 2,219.77/x
  3. Step 3: Cross multiply
    4,816.81x = 7,228.50 × 2,219.77
  4. Step 4: Simplify right side
    4,816.81x = 16,045,607.45
  5. Step 5: Solve for x
    x = 16,045,607.45/4,816.81
  6. Step 6: Final answer
    x = 3,331.17

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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.