Home / 8,558.19-11,807.04-5,199.75

Finding the Fourth Proportional to 8,558.19, 11,807.04 and 5,199.75

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Solution

The fourth proportional to 8,558.19, 11,807.04 and 5,199.75 is: 7,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.19 : 11,807.04 = 5,199.75 : x
  2. Step 2: Convert to fraction form
    8,558.19/11,807.04 = 5,199.75/x
  3. Step 3: Cross multiply
    8,558.19x = 11,807.04 × 5,199.75
  4. Step 4: Simplify right side
    8,558.19x = 61,393,656.24
  5. Step 5: Solve for x
    x = 61,393,656.24/8,558.19
  6. Step 6: Final answer
    x = 7,173.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.