Home / 4,368.60-6,543.79-3,639.60

Finding the Fourth Proportional to 4,368.60, 6,543.79 and 3,639.60

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Solution

The fourth proportional to 4,368.60, 6,543.79 and 3,639.60 is: 5,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.60 : 6,543.79 = 3,639.60 : x
  2. Step 2: Convert to fraction form
    4,368.60/6,543.79 = 3,639.60/x
  3. Step 3: Cross multiply
    4,368.60x = 6,543.79 × 3,639.60
  4. Step 4: Simplify right side
    4,368.60x = 23,816,768.99
  5. Step 5: Solve for x
    x = 23,816,768.99/4,368.60
  6. Step 6: Final answer
    x = 5,451.81

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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.