Home / 4,926.24-7,389.47-1,639.60

Finding the Fourth Proportional to 4,926.24, 7,389.47 and 1,639.60

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Solution

The fourth proportional to 4,926.24, 7,389.47 and 1,639.60 is: 2,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.24 : 7,389.47 = 1,639.60 : x
  2. Step 2: Convert to fraction form
    4,926.24/7,389.47 = 1,639.60/x
  3. Step 3: Cross multiply
    4,926.24x = 7,389.47 × 1,639.60
  4. Step 4: Simplify right side
    4,926.24x = 12,115,760.64
  5. Step 5: Solve for x
    x = 12,115,760.64/4,926.24
  6. Step 6: Final answer
    x = 2,459.43

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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.