Home / 8,728.30-13,085.10-3,537.82

Finding the Fourth Proportional to 8,728.30, 13,085.10 and 3,537.82

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Solution

The fourth proportional to 8,728.30, 13,085.10 and 3,537.82 is: 5,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.30 : 13,085.10 = 3,537.82 : x
  2. Step 2: Convert to fraction form
    8,728.30/13,085.10 = 3,537.82/x
  3. Step 3: Cross multiply
    8,728.30x = 13,085.10 × 3,537.82
  4. Step 4: Simplify right side
    8,728.30x = 46,292,728.48
  5. Step 5: Solve for x
    x = 46,292,728.48/8,728.30
  6. Step 6: Final answer
    x = 5,303.75

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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.