Home / 5,428.54-7,491.16-3,070.63

Finding the Fourth Proportional to 5,428.54, 7,491.16 and 3,070.63

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Solution

The fourth proportional to 5,428.54, 7,491.16 and 3,070.63 is: 4,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.54 : 7,491.16 = 3,070.63 : x
  2. Step 2: Convert to fraction form
    5,428.54/7,491.16 = 3,070.63/x
  3. Step 3: Cross multiply
    5,428.54x = 7,491.16 × 3,070.63
  4. Step 4: Simplify right side
    5,428.54x = 23,002,580.63
  5. Step 5: Solve for x
    x = 23,002,580.63/5,428.54
  6. Step 6: Final answer
    x = 4,237.34

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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.