Home / 8,559.12-12,858.04-5,098.64

Finding the Fourth Proportional to 8,559.12, 12,858.04 and 5,098.64

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Solution

The fourth proportional to 8,559.12, 12,858.04 and 5,098.64 is: 7,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.12 : 12,858.04 = 5,098.64 : x
  2. Step 2: Convert to fraction form
    8,559.12/12,858.04 = 5,098.64/x
  3. Step 3: Cross multiply
    8,559.12x = 12,858.04 × 5,098.64
  4. Step 4: Simplify right side
    8,559.12x = 65,558,517.07
  5. Step 5: Solve for x
    x = 65,558,517.07/8,559.12
  6. Step 6: Final answer
    x = 7,659.49

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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.