Home / 5,216.28-7,196.36-2,977.71

Finding the Fourth Proportional to 5,216.28, 7,196.36 and 2,977.71

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Solution

The fourth proportional to 5,216.28, 7,196.36 and 2,977.71 is: 4,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.28 : 7,196.36 = 2,977.71 : x
  2. Step 2: Convert to fraction form
    5,216.28/7,196.36 = 2,977.71/x
  3. Step 3: Cross multiply
    5,216.28x = 7,196.36 × 2,977.71
  4. Step 4: Simplify right side
    5,216.28x = 21,428,658.25
  5. Step 5: Solve for x
    x = 21,428,658.25/5,216.28
  6. Step 6: Final answer
    x = 4,108.03

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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.