Home / 7,775.74-11,667.03-4,077.06

Finding the Fourth Proportional to 7,775.74, 11,667.03 and 4,077.06

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Solution

The fourth proportional to 7,775.74, 11,667.03 and 4,077.06 is: 6,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.74 : 11,667.03 = 4,077.06 : x
  2. Step 2: Convert to fraction form
    7,775.74/11,667.03 = 4,077.06/x
  3. Step 3: Cross multiply
    7,775.74x = 11,667.03 × 4,077.06
  4. Step 4: Simplify right side
    7,775.74x = 47,567,181.33
  5. Step 5: Solve for x
    x = 47,567,181.33/7,775.74
  6. Step 6: Final answer
    x = 6,117.38

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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.