Home / 6,220.40-9,328.44-1,836.68

Finding the Fourth Proportional to 6,220.40, 9,328.44 and 1,836.68

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Solution

The fourth proportional to 6,220.40, 9,328.44 and 1,836.68 is: 2,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.40 : 9,328.44 = 1,836.68 : x
  2. Step 2: Convert to fraction form
    6,220.40/9,328.44 = 1,836.68/x
  3. Step 3: Cross multiply
    6,220.40x = 9,328.44 × 1,836.68
  4. Step 4: Simplify right side
    6,220.40x = 17,133,359.18
  5. Step 5: Solve for x
    x = 17,133,359.18/6,220.40
  6. Step 6: Final answer
    x = 2,754.38

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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.