Home / 4,813.94-7,215.23-2,178.36

Finding the Fourth Proportional to 4,813.94, 7,215.23 and 2,178.36

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Solution

The fourth proportional to 4,813.94, 7,215.23 and 2,178.36 is: 3,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.94 : 7,215.23 = 2,178.36 : x
  2. Step 2: Convert to fraction form
    4,813.94/7,215.23 = 2,178.36/x
  3. Step 3: Cross multiply
    4,813.94x = 7,215.23 × 2,178.36
  4. Step 4: Simplify right side
    4,813.94x = 15,717,373.87
  5. Step 5: Solve for x
    x = 15,717,373.87/4,813.94
  6. Step 6: Final answer
    x = 3,264.97

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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.