Home / 4,428.60-6,639.64-2,964.68

Finding the Fourth Proportional to 4,428.60, 6,639.64 and 2,964.68

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Solution

The fourth proportional to 4,428.60, 6,639.64 and 2,964.68 is: 4,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.60 : 6,639.64 = 2,964.68 : x
  2. Step 2: Convert to fraction form
    4,428.60/6,639.64 = 2,964.68/x
  3. Step 3: Cross multiply
    4,428.60x = 6,639.64 × 2,964.68
  4. Step 4: Simplify right side
    4,428.60x = 19,684,407.92
  5. Step 5: Solve for x
    x = 19,684,407.92/4,428.60
  6. Step 6: Final answer
    x = 4,444.84

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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.