Home / 4,328.36-6,491.07-1,405.94

Finding the Fourth Proportional to 4,328.36, 6,491.07 and 1,405.94

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Solution

The fourth proportional to 4,328.36, 6,491.07 and 1,405.94 is: 2,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.36 : 6,491.07 = 1,405.94 : x
  2. Step 2: Convert to fraction form
    4,328.36/6,491.07 = 1,405.94/x
  3. Step 3: Cross multiply
    4,328.36x = 6,491.07 × 1,405.94
  4. Step 4: Simplify right side
    4,328.36x = 9,126,054.96
  5. Step 5: Solve for x
    x = 9,126,054.96/4,328.36
  6. Step 6: Final answer
    x = 2,108.43

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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.