Home / 5,643.80-7,788.93-3,286.16

Finding the Fourth Proportional to 5,643.80, 7,788.93 and 3,286.16

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Solution

The fourth proportional to 5,643.80, 7,788.93 and 3,286.16 is: 4,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.80 : 7,788.93 = 3,286.16 : x
  2. Step 2: Convert to fraction form
    5,643.80/7,788.93 = 3,286.16/x
  3. Step 3: Cross multiply
    5,643.80x = 7,788.93 × 3,286.16
  4. Step 4: Simplify right side
    5,643.80x = 25,595,670.21
  5. Step 5: Solve for x
    x = 25,595,670.21/5,643.80
  6. Step 6: Final answer
    x = 4,535.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.