Home / 4,527.60-6,238.72-3,639.84

Finding the Fourth Proportional to 4,527.60, 6,238.72 and 3,639.84

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Solution

The fourth proportional to 4,527.60, 6,238.72 and 3,639.84 is: 5,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,527.60 : 6,238.72 = 3,639.84 : x
  2. Step 2: Convert to fraction form
    4,527.60/6,238.72 = 3,639.84/x
  3. Step 3: Cross multiply
    4,527.60x = 6,238.72 × 3,639.84
  4. Step 4: Simplify right side
    4,527.60x = 22,707,942.60
  5. Step 5: Solve for x
    x = 22,707,942.60/4,527.60
  6. Step 6: Final answer
    x = 5,015.45

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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.