Home / 7,778.61-11,669.54-2,848.41

Finding the Fourth Proportional to 7,778.61, 11,669.54 and 2,848.41

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Solution

The fourth proportional to 7,778.61, 11,669.54 and 2,848.41 is: 4,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.61 : 11,669.54 = 2,848.41 : x
  2. Step 2: Convert to fraction form
    7,778.61/11,669.54 = 2,848.41/x
  3. Step 3: Cross multiply
    7,778.61x = 11,669.54 × 2,848.41
  4. Step 4: Simplify right side
    7,778.61x = 33,239,620.19
  5. Step 5: Solve for x
    x = 33,239,620.19/7,778.61
  6. Step 6: Final answer
    x = 4,273.21

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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.