Home / 4,259.49-6,388.19-1,485.76

Finding the Fourth Proportional to 4,259.49, 6,388.19 and 1,485.76

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Solution

The fourth proportional to 4,259.49, 6,388.19 and 1,485.76 is: 2,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.49 : 6,388.19 = 1,485.76 : x
  2. Step 2: Convert to fraction form
    4,259.49/6,388.19 = 1,485.76/x
  3. Step 3: Cross multiply
    4,259.49x = 6,388.19 × 1,485.76
  4. Step 4: Simplify right side
    4,259.49x = 9,491,317.17
  5. Step 5: Solve for x
    x = 9,491,317.17/4,259.49
  6. Step 6: Final answer
    x = 2,228.28

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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.