Home / 5,654.18-8,482.80-3,190.70

Finding the Fourth Proportional to 5,654.18, 8,482.80 and 3,190.70

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Solution

The fourth proportional to 5,654.18, 8,482.80 and 3,190.70 is: 4,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.18 : 8,482.80 = 3,190.70 : x
  2. Step 2: Convert to fraction form
    5,654.18/8,482.80 = 3,190.70/x
  3. Step 3: Cross multiply
    5,654.18x = 8,482.80 × 3,190.70
  4. Step 4: Simplify right side
    5,654.18x = 27,066,069.96
  5. Step 5: Solve for x
    x = 27,066,069.96/5,654.18
  6. Step 6: Final answer
    x = 4,786.91

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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.