Home / 4,427.78-6,637.04-1,653.26

Finding the Fourth Proportional to 4,427.78, 6,637.04 and 1,653.26

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Solution

The fourth proportional to 4,427.78, 6,637.04 and 1,653.26 is: 2,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.78 : 6,637.04 = 1,653.26 : x
  2. Step 2: Convert to fraction form
    4,427.78/6,637.04 = 1,653.26/x
  3. Step 3: Cross multiply
    4,427.78x = 6,637.04 × 1,653.26
  4. Step 4: Simplify right side
    4,427.78x = 10,972,752.75
  5. Step 5: Solve for x
    x = 10,972,752.75/4,427.78
  6. Step 6: Final answer
    x = 2,478.16

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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.