Home / 8,948.90-13,427.64-3,687.75

Finding the Fourth Proportional to 8,948.90, 13,427.64 and 3,687.75

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Solution

The fourth proportional to 8,948.90, 13,427.64 and 3,687.75 is: 5,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.90 : 13,427.64 = 3,687.75 : x
  2. Step 2: Convert to fraction form
    8,948.90/13,427.64 = 3,687.75/x
  3. Step 3: Cross multiply
    8,948.90x = 13,427.64 × 3,687.75
  4. Step 4: Simplify right side
    8,948.90x = 49,517,779.41
  5. Step 5: Solve for x
    x = 49,517,779.41/8,948.90
  6. Step 6: Final answer
    x = 5,533.40

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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.