Home / 9,217.84-13,826.40-2,977.60

Finding the Fourth Proportional to 9,217.84, 13,826.40 and 2,977.60

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Solution

The fourth proportional to 9,217.84, 13,826.40 and 2,977.60 is: 4,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.84 : 13,826.40 = 2,977.60 : x
  2. Step 2: Convert to fraction form
    9,217.84/13,826.40 = 2,977.60/x
  3. Step 3: Cross multiply
    9,217.84x = 13,826.40 × 2,977.60
  4. Step 4: Simplify right side
    9,217.84x = 41,169,488.64
  5. Step 5: Solve for x
    x = 41,169,488.64/9,217.84
  6. Step 6: Final answer
    x = 4,466.28

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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.