Home / 8,028.40-11,079.77-4,492.75

Finding the Fourth Proportional to 8,028.40, 11,079.77 and 4,492.75

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Solution

The fourth proportional to 8,028.40, 11,079.77 and 4,492.75 is: 6,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.40 : 11,079.77 = 4,492.75 : x
  2. Step 2: Convert to fraction form
    8,028.40/11,079.77 = 4,492.75/x
  3. Step 3: Cross multiply
    8,028.40x = 11,079.77 × 4,492.75
  4. Step 4: Simplify right side
    8,028.40x = 49,778,636.67
  5. Step 5: Solve for x
    x = 49,778,636.67/8,028.40
  6. Step 6: Final answer
    x = 6,200.32

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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.