Home / 5,653.35-8,486.10-3,190.55

Finding the Fourth Proportional to 5,653.35, 8,486.10 and 3,190.55

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Solution

The fourth proportional to 5,653.35, 8,486.10 and 3,190.55 is: 4,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.35 : 8,486.10 = 3,190.55 : x
  2. Step 2: Convert to fraction form
    5,653.35/8,486.10 = 3,190.55/x
  3. Step 3: Cross multiply
    5,653.35x = 8,486.10 × 3,190.55
  4. Step 4: Simplify right side
    5,653.35x = 27,075,283.92
  5. Step 5: Solve for x
    x = 27,075,283.92/5,653.35
  6. Step 6: Final answer
    x = 4,789.25

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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.