Home / 4,405.45-6,606.51-1,284.42

Finding the Fourth Proportional to 4,405.45, 6,606.51 and 1,284.42

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Solution

The fourth proportional to 4,405.45, 6,606.51 and 1,284.42 is: 1,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.45 : 6,606.51 = 1,284.42 : x
  2. Step 2: Convert to fraction form
    4,405.45/6,606.51 = 1,284.42/x
  3. Step 3: Cross multiply
    4,405.45x = 6,606.51 × 1,284.42
  4. Step 4: Simplify right side
    4,405.45x = 8,485,533.57
  5. Step 5: Solve for x
    x = 8,485,533.57/4,405.45
  6. Step 6: Final answer
    x = 1,926.14

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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.