Home / 5,391.15-8,075.37-2,471.91

Finding the Fourth Proportional to 5,391.15, 8,075.37 and 2,471.91

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Solution

The fourth proportional to 5,391.15, 8,075.37 and 2,471.91 is: 3,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.15 : 8,075.37 = 2,471.91 : x
  2. Step 2: Convert to fraction form
    5,391.15/8,075.37 = 2,471.91/x
  3. Step 3: Cross multiply
    5,391.15x = 8,075.37 × 2,471.91
  4. Step 4: Simplify right side
    5,391.15x = 19,961,587.86
  5. Step 5: Solve for x
    x = 19,961,587.86/5,391.15
  6. Step 6: Final answer
    x = 3,702.66

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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.