Home / 5,214.81-7,196.75-2,977.41

Finding the Fourth Proportional to 5,214.81, 7,196.75 and 2,977.41

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Solution

The fourth proportional to 5,214.81, 7,196.75 and 2,977.41 is: 4,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.81 : 7,196.75 = 2,977.41 : x
  2. Step 2: Convert to fraction form
    5,214.81/7,196.75 = 2,977.41/x
  3. Step 3: Cross multiply
    5,214.81x = 7,196.75 × 2,977.41
  4. Step 4: Simplify right side
    5,214.81x = 21,427,660.53
  5. Step 5: Solve for x
    x = 21,427,660.53/5,214.81
  6. Step 6: Final answer
    x = 4,109.00

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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.