Home / 5,191.06-7,783.58-3,549.60

Finding the Fourth Proportional to 5,191.06, 7,783.58 and 3,549.60

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Solution

The fourth proportional to 5,191.06, 7,783.58 and 3,549.60 is: 5,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.06 : 7,783.58 = 3,549.60 : x
  2. Step 2: Convert to fraction form
    5,191.06/7,783.58 = 3,549.60/x
  3. Step 3: Cross multiply
    5,191.06x = 7,783.58 × 3,549.60
  4. Step 4: Simplify right side
    5,191.06x = 27,628,595.57
  5. Step 5: Solve for x
    x = 27,628,595.57/5,191.06
  6. Step 6: Final answer
    x = 5,322.34

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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.