Home / 8,522.48-12,779.36-3,901.52

Finding the Fourth Proportional to 8,522.48, 12,779.36 and 3,901.52

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Solution

The fourth proportional to 8,522.48, 12,779.36 and 3,901.52 is: 5,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.48 : 12,779.36 = 3,901.52 : x
  2. Step 2: Convert to fraction form
    8,522.48/12,779.36 = 3,901.52/x
  3. Step 3: Cross multiply
    8,522.48x = 12,779.36 × 3,901.52
  4. Step 4: Simplify right side
    8,522.48x = 49,858,928.63
  5. Step 5: Solve for x
    x = 49,858,928.63/8,522.48
  6. Step 6: Final answer
    x = 5,850.28

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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.