Home / 4,928.58-7,392.60-2,980.26

Finding the Fourth Proportional to 4,928.58, 7,392.60 and 2,980.26

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Solution

The fourth proportional to 4,928.58, 7,392.60 and 2,980.26 is: 4,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.58 : 7,392.60 = 2,980.26 : x
  2. Step 2: Convert to fraction form
    4,928.58/7,392.60 = 2,980.26/x
  3. Step 3: Cross multiply
    4,928.58x = 7,392.60 × 2,980.26
  4. Step 4: Simplify right side
    4,928.58x = 22,031,870.08
  5. Step 5: Solve for x
    x = 22,031,870.08/4,928.58
  6. Step 6: Final answer
    x = 4,470.23

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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.