Home / 4,923.91-7,385.73-1,639.36

Finding the Fourth Proportional to 4,923.91, 7,385.73 and 1,639.36

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Solution

The fourth proportional to 4,923.91, 7,385.73 and 1,639.36 is: 2,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.91 : 7,385.73 = 1,639.36 : x
  2. Step 2: Convert to fraction form
    4,923.91/7,385.73 = 1,639.36/x
  3. Step 3: Cross multiply
    4,923.91x = 7,385.73 × 1,639.36
  4. Step 4: Simplify right side
    4,923.91x = 12,107,870.33
  5. Step 5: Solve for x
    x = 12,107,870.33/4,923.91
  6. Step 6: Final answer
    x = 2,459.00

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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.