Home / 5,379.48-8,068.61-1,868.87

Finding the Fourth Proportional to 5,379.48, 8,068.61 and 1,868.87

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Solution

The fourth proportional to 5,379.48, 8,068.61 and 1,868.87 is: 2,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.48 : 8,068.61 = 1,868.87 : x
  2. Step 2: Convert to fraction form
    5,379.48/8,068.61 = 1,868.87/x
  3. Step 3: Cross multiply
    5,379.48x = 8,068.61 × 1,868.87
  4. Step 4: Simplify right side
    5,379.48x = 15,079,208.01
  5. Step 5: Solve for x
    x = 15,079,208.01/5,379.48
  6. Step 6: Final answer
    x = 2,803.10

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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.