Home / 4,926.81-7,388.46-1,639.02

Finding the Fourth Proportional to 4,926.81, 7,388.46 and 1,639.02

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Solution

The fourth proportional to 4,926.81, 7,388.46 and 1,639.02 is: 2,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.81 : 7,388.46 = 1,639.02 : x
  2. Step 2: Convert to fraction form
    4,926.81/7,388.46 = 1,639.02/x
  3. Step 3: Cross multiply
    4,926.81x = 7,388.46 × 1,639.02
  4. Step 4: Simplify right side
    4,926.81x = 12,109,833.71
  5. Step 5: Solve for x
    x = 12,109,833.71/4,926.81
  6. Step 6: Final answer
    x = 2,457.95

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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.