Home / 7,775.94-11,667.36-4,077.30

Finding the Fourth Proportional to 7,775.94, 11,667.36 and 4,077.30

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Solution

The fourth proportional to 7,775.94, 11,667.36 and 4,077.30 is: 6,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.94 : 11,667.36 = 4,077.30 : x
  2. Step 2: Convert to fraction form
    7,775.94/11,667.36 = 4,077.30/x
  3. Step 3: Cross multiply
    7,775.94x = 11,667.36 × 4,077.30
  4. Step 4: Simplify right side
    7,775.94x = 47,571,326.93
  5. Step 5: Solve for x
    x = 47,571,326.93/7,775.94
  6. Step 6: Final answer
    x = 6,117.76

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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.