Home / 5,812.24-8,718.37-1,916.65

Finding the Fourth Proportional to 5,812.24, 8,718.37 and 1,916.65

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Solution

The fourth proportional to 5,812.24, 8,718.37 and 1,916.65 is: 2,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.24 : 8,718.37 = 1,916.65 : x
  2. Step 2: Convert to fraction form
    5,812.24/8,718.37 = 1,916.65/x
  3. Step 3: Cross multiply
    5,812.24x = 8,718.37 × 1,916.65
  4. Step 4: Simplify right side
    5,812.24x = 16,710,045.45
  5. Step 5: Solve for x
    x = 16,710,045.45/5,812.24
  6. Step 6: Final answer
    x = 2,874.97

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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.