Home / 4,679.14-7,019.87-1,392.22

Finding the Fourth Proportional to 4,679.14, 7,019.87 and 1,392.22

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Solution

The fourth proportional to 4,679.14, 7,019.87 and 1,392.22 is: 2,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.14 : 7,019.87 = 1,392.22 : x
  2. Step 2: Convert to fraction form
    4,679.14/7,019.87 = 1,392.22/x
  3. Step 3: Cross multiply
    4,679.14x = 7,019.87 × 1,392.22
  4. Step 4: Simplify right side
    4,679.14x = 9,773,203.41
  5. Step 5: Solve for x
    x = 9,773,203.41/4,679.14
  6. Step 6: Final answer
    x = 2,088.68

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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.