Home / 8,734.40-13,102.56-3,188.32

Finding the Fourth Proportional to 8,734.40, 13,102.56 and 3,188.32

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Solution

The fourth proportional to 8,734.40, 13,102.56 and 3,188.32 is: 4,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.40 : 13,102.56 = 3,188.32 : x
  2. Step 2: Convert to fraction form
    8,734.40/13,102.56 = 3,188.32/x
  3. Step 3: Cross multiply
    8,734.40x = 13,102.56 × 3,188.32
  4. Step 4: Simplify right side
    8,734.40x = 41,775,154.10
  5. Step 5: Solve for x
    x = 41,775,154.10/8,734.40
  6. Step 6: Final answer
    x = 4,782.83

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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.