Home / 5,214.16-7,814.44-3,977.04

Finding the Fourth Proportional to 5,214.16, 7,814.44 and 3,977.04

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Solution

The fourth proportional to 5,214.16, 7,814.44 and 3,977.04 is: 5,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.16 : 7,814.44 = 3,977.04 : x
  2. Step 2: Convert to fraction form
    5,214.16/7,814.44 = 3,977.04/x
  3. Step 3: Cross multiply
    5,214.16x = 7,814.44 × 3,977.04
  4. Step 4: Simplify right side
    5,214.16x = 31,078,340.46
  5. Step 5: Solve for x
    x = 31,078,340.46/5,214.16
  6. Step 6: Final answer
    x = 5,960.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.