Home / 4,412.88-6,619.35-1,125.96

Finding the Fourth Proportional to 4,412.88, 6,619.35 and 1,125.96

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Solution

The fourth proportional to 4,412.88, 6,619.35 and 1,125.96 is: 1,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.88 : 6,619.35 = 1,125.96 : x
  2. Step 2: Convert to fraction form
    4,412.88/6,619.35 = 1,125.96/x
  3. Step 3: Cross multiply
    4,412.88x = 6,619.35 × 1,125.96
  4. Step 4: Simplify right side
    4,412.88x = 7,453,123.33
  5. Step 5: Solve for x
    x = 7,453,123.33/4,412.88
  6. Step 6: Final answer
    x = 1,688.95

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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.