Home / 8,356.08-12,534.60-2,808.96

Finding the Fourth Proportional to 8,356.08, 12,534.60 and 2,808.96

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Solution

The fourth proportional to 8,356.08, 12,534.60 and 2,808.96 is: 4,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.08 : 12,534.60 = 2,808.96 : x
  2. Step 2: Convert to fraction form
    8,356.08/12,534.60 = 2,808.96/x
  3. Step 3: Cross multiply
    8,356.08x = 12,534.60 × 2,808.96
  4. Step 4: Simplify right side
    8,356.08x = 35,209,190.02
  5. Step 5: Solve for x
    x = 35,209,190.02/8,356.08
  6. Step 6: Final answer
    x = 4,213.60

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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.