Home / 4,326.98-6,491.65-1,405.29

Finding the Fourth Proportional to 4,326.98, 6,491.65 and 1,405.29

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Solution

The fourth proportional to 4,326.98, 6,491.65 and 1,405.29 is: 2,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.98 : 6,491.65 = 1,405.29 : x
  2. Step 2: Convert to fraction form
    4,326.98/6,491.65 = 1,405.29/x
  3. Step 3: Cross multiply
    4,326.98x = 6,491.65 × 1,405.29
  4. Step 4: Simplify right side
    4,326.98x = 9,122,618.37
  5. Step 5: Solve for x
    x = 9,122,618.37/4,326.98
  6. Step 6: Final answer
    x = 2,108.31

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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.