Home / 5,428.89-7,492.23-3,039.09

Finding the Fourth Proportional to 5,428.89, 7,492.23 and 3,039.09

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Solution

The fourth proportional to 5,428.89, 7,492.23 and 3,039.09 is: 4,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.89 : 7,492.23 = 3,039.09 : x
  2. Step 2: Convert to fraction form
    5,428.89/7,492.23 = 3,039.09/x
  3. Step 3: Cross multiply
    5,428.89x = 7,492.23 × 3,039.09
  4. Step 4: Simplify right side
    5,428.89x = 22,769,561.27
  5. Step 5: Solve for x
    x = 22,769,561.27/5,428.89
  6. Step 6: Final answer
    x = 4,194.15

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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.