Home / 8,448.90-11,654.55-4,911.54

Finding the Fourth Proportional to 8,448.90, 11,654.55 and 4,911.54

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Solution

The fourth proportional to 8,448.90, 11,654.55 and 4,911.54 is: 6,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.90 : 11,654.55 = 4,911.54 : x
  2. Step 2: Convert to fraction form
    8,448.90/11,654.55 = 4,911.54/x
  3. Step 3: Cross multiply
    8,448.90x = 11,654.55 × 4,911.54
  4. Step 4: Simplify right side
    8,448.90x = 57,241,788.51
  5. Step 5: Solve for x
    x = 57,241,788.51/8,448.90
  6. Step 6: Final answer
    x = 6,775.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.