Home / 5,428.95-7,492.26-3,038.87

Finding the Fourth Proportional to 5,428.95, 7,492.26 and 3,038.87

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Solution

The fourth proportional to 5,428.95, 7,492.26 and 3,038.87 is: 4,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.95 : 7,492.26 = 3,038.87 : x
  2. Step 2: Convert to fraction form
    5,428.95/7,492.26 = 3,038.87/x
  3. Step 3: Cross multiply
    5,428.95x = 7,492.26 × 3,038.87
  4. Step 4: Simplify right side
    5,428.95x = 22,768,004.15
  5. Step 5: Solve for x
    x = 22,768,004.15/5,428.95
  6. Step 6: Final answer
    x = 4,193.81

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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.