Home / 5,623.27-8,435.02-1,929.75

Finding the Fourth Proportional to 5,623.27, 8,435.02 and 1,929.75

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Solution

The fourth proportional to 5,623.27, 8,435.02 and 1,929.75 is: 2,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.27 : 8,435.02 = 1,929.75 : x
  2. Step 2: Convert to fraction form
    5,623.27/8,435.02 = 1,929.75/x
  3. Step 3: Cross multiply
    5,623.27x = 8,435.02 × 1,929.75
  4. Step 4: Simplify right side
    5,623.27x = 16,277,437.67
  5. Step 5: Solve for x
    x = 16,277,437.67/5,623.27
  6. Step 6: Final answer
    x = 2,894.66

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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.