Home / 5,428.57-7,491.56-3,038.52

Finding the Fourth Proportional to 5,428.57, 7,491.56 and 3,038.52

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Solution

The fourth proportional to 5,428.57, 7,491.56 and 3,038.52 is: 4,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.57 : 7,491.56 = 3,038.52 : x
  2. Step 2: Convert to fraction form
    5,428.57/7,491.56 = 3,038.52/x
  3. Step 3: Cross multiply
    5,428.57x = 7,491.56 × 3,038.52
  4. Step 4: Simplify right side
    5,428.57x = 22,763,239.70
  5. Step 5: Solve for x
    x = 22,763,239.70/5,428.57
  6. Step 6: Final answer
    x = 4,193.23

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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.