Home / 4,848.19-7,272.71-1,338.20

Finding the Fourth Proportional to 4,848.19, 7,272.71 and 1,338.20

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Solution

The fourth proportional to 4,848.19, 7,272.71 and 1,338.20 is: 2,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.19 : 7,272.71 = 1,338.20 : x
  2. Step 2: Convert to fraction form
    4,848.19/7,272.71 = 1,338.20/x
  3. Step 3: Cross multiply
    4,848.19x = 7,272.71 × 1,338.20
  4. Step 4: Simplify right side
    4,848.19x = 9,732,319.94
  5. Step 5: Solve for x
    x = 9,732,319.94/4,848.19
  6. Step 6: Final answer
    x = 2,007.41

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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.