Home / 9,187.60-13,783.52-3,922.80

Finding the Fourth Proportional to 9,187.60, 13,783.52 and 3,922.80

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Solution

The fourth proportional to 9,187.60, 13,783.52 and 3,922.80 is: 5,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.60 : 13,783.52 = 3,922.80 : x
  2. Step 2: Convert to fraction form
    9,187.60/13,783.52 = 3,922.80/x
  3. Step 3: Cross multiply
    9,187.60x = 13,783.52 × 3,922.80
  4. Step 4: Simplify right side
    9,187.60x = 54,069,992.26
  5. Step 5: Solve for x
    x = 54,069,992.26/9,187.60
  6. Step 6: Final answer
    x = 5,885.11

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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.