Home / 4,848.51-7,272.93-1,338.78

Finding the Fourth Proportional to 4,848.51, 7,272.93 and 1,338.78

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Solution

The fourth proportional to 4,848.51, 7,272.93 and 1,338.78 is: 2,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.51 : 7,272.93 = 1,338.78 : x
  2. Step 2: Convert to fraction form
    4,848.51/7,272.93 = 1,338.78/x
  3. Step 3: Cross multiply
    4,848.51x = 7,272.93 × 1,338.78
  4. Step 4: Simplify right side
    4,848.51x = 9,736,877.99
  5. Step 5: Solve for x
    x = 9,736,877.99/4,848.51
  6. Step 6: Final answer
    x = 2,008.22

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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.