Home / 4,595.72-6,890.49-1,821.65

Finding the Fourth Proportional to 4,595.72, 6,890.49 and 1,821.65

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Solution

The fourth proportional to 4,595.72, 6,890.49 and 1,821.65 is: 2,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,595.72 : 6,890.49 = 1,821.65 : x
  2. Step 2: Convert to fraction form
    4,595.72/6,890.49 = 1,821.65/x
  3. Step 3: Cross multiply
    4,595.72x = 6,890.49 × 1,821.65
  4. Step 4: Simplify right side
    4,595.72x = 12,552,026.66
  5. Step 5: Solve for x
    x = 12,552,026.66/4,595.72
  6. Step 6: Final answer
    x = 2,731.25

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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.