Home / 4,327.42-6,490.44-1,405.06

Finding the Fourth Proportional to 4,327.42, 6,490.44 and 1,405.06

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Solution

The fourth proportional to 4,327.42, 6,490.44 and 1,405.06 is: 2,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.42 : 6,490.44 = 1,405.06 : x
  2. Step 2: Convert to fraction form
    4,327.42/6,490.44 = 1,405.06/x
  3. Step 3: Cross multiply
    4,327.42x = 6,490.44 × 1,405.06
  4. Step 4: Simplify right side
    4,327.42x = 9,119,457.63
  5. Step 5: Solve for x
    x = 9,119,457.63/4,327.42
  6. Step 6: Final answer
    x = 2,107.37

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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.