Home / 8,085.87-11,156.82-4,728.03

Finding the Fourth Proportional to 8,085.87, 11,156.82 and 4,728.03

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Solution

The fourth proportional to 8,085.87, 11,156.82 and 4,728.03 is: 6,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.87 : 11,156.82 = 4,728.03 : x
  2. Step 2: Convert to fraction form
    8,085.87/11,156.82 = 4,728.03/x
  3. Step 3: Cross multiply
    8,085.87x = 11,156.82 × 4,728.03
  4. Step 4: Simplify right side
    8,085.87x = 52,749,779.66
  5. Step 5: Solve for x
    x = 52,749,779.66/8,085.87
  6. Step 6: Final answer
    x = 6,523.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.