Home / 4,405.14-6,607.94-1,118.25

Finding the Fourth Proportional to 4,405.14, 6,607.94 and 1,118.25

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Solution

The fourth proportional to 4,405.14, 6,607.94 and 1,118.25 is: 1,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.14 : 6,607.94 = 1,118.25 : x
  2. Step 2: Convert to fraction form
    4,405.14/6,607.94 = 1,118.25/x
  3. Step 3: Cross multiply
    4,405.14x = 6,607.94 × 1,118.25
  4. Step 4: Simplify right side
    4,405.14x = 7,389,323.31
  5. Step 5: Solve for x
    x = 7,389,323.31/4,405.14
  6. Step 6: Final answer
    x = 1,677.43

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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.