Home / 4,327.02-6,491.55-1,405.32

Finding the Fourth Proportional to 4,327.02, 6,491.55 and 1,405.32

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Solution

The fourth proportional to 4,327.02, 6,491.55 and 1,405.32 is: 2,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.02 : 6,491.55 = 1,405.32 : x
  2. Step 2: Convert to fraction form
    4,327.02/6,491.55 = 1,405.32/x
  3. Step 3: Cross multiply
    4,327.02x = 6,491.55 × 1,405.32
  4. Step 4: Simplify right side
    4,327.02x = 9,122,705.05
  5. Step 5: Solve for x
    x = 9,122,705.05/4,327.02
  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.