Home / 8,028.72-11,079.60-4,492.32

Finding the Fourth Proportional to 8,028.72, 11,079.60 and 4,492.32

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Solution

The fourth proportional to 8,028.72, 11,079.60 and 4,492.32 is: 6,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.72 : 11,079.60 = 4,492.32 : x
  2. Step 2: Convert to fraction form
    8,028.72/11,079.60 = 4,492.32/x
  3. Step 3: Cross multiply
    8,028.72x = 11,079.60 × 4,492.32
  4. Step 4: Simplify right side
    8,028.72x = 49,773,108.67
  5. Step 5: Solve for x
    x = 49,773,108.67/8,028.72
  6. Step 6: Final answer
    x = 6,199.38

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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.