Home / 4,390.32-6,578.07-3,089.46

Finding the Fourth Proportional to 4,390.32, 6,578.07 and 3,089.46

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Solution

The fourth proportional to 4,390.32, 6,578.07 and 3,089.46 is: 4,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.32 : 6,578.07 = 3,089.46 : x
  2. Step 2: Convert to fraction form
    4,390.32/6,578.07 = 3,089.46/x
  3. Step 3: Cross multiply
    4,390.32x = 6,578.07 × 3,089.46
  4. Step 4: Simplify right side
    4,390.32x = 20,322,684.14
  5. Step 5: Solve for x
    x = 20,322,684.14/4,390.32
  6. Step 6: Final answer
    x = 4,628.98

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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.