Home / 7,548.90-11,327.40-3,166.80

Finding the Fourth Proportional to 7,548.90, 11,327.40 and 3,166.80

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Solution

The fourth proportional to 7,548.90, 11,327.40 and 3,166.80 is: 4,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.90 : 11,327.40 = 3,166.80 : x
  2. Step 2: Convert to fraction form
    7,548.90/11,327.40 = 3,166.80/x
  3. Step 3: Cross multiply
    7,548.90x = 11,327.40 × 3,166.80
  4. Step 4: Simplify right side
    7,548.90x = 35,871,610.32
  5. Step 5: Solve for x
    x = 35,871,610.32/7,548.90
  6. Step 6: Final answer
    x = 4,751.90

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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.