Home / 5,428.87-7,491.48-3,038.44

Finding the Fourth Proportional to 5,428.87, 7,491.48 and 3,038.44

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Solution

The fourth proportional to 5,428.87, 7,491.48 and 3,038.44 is: 4,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.87 : 7,491.48 = 3,038.44 : x
  2. Step 2: Convert to fraction form
    5,428.87/7,491.48 = 3,038.44/x
  3. Step 3: Cross multiply
    5,428.87x = 7,491.48 × 3,038.44
  4. Step 4: Simplify right side
    5,428.87x = 22,762,412.49
  5. Step 5: Solve for x
    x = 22,762,412.49/5,428.87
  6. Step 6: Final answer
    x = 4,192.85

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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.