Home / 8,814.08-13,211.40-3,615.50

Finding the Fourth Proportional to 8,814.08, 13,211.40 and 3,615.50

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Solution

The fourth proportional to 8,814.08, 13,211.40 and 3,615.50 is: 5,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.08 : 13,211.40 = 3,615.50 : x
  2. Step 2: Convert to fraction form
    8,814.08/13,211.40 = 3,615.50/x
  3. Step 3: Cross multiply
    8,814.08x = 13,211.40 × 3,615.50
  4. Step 4: Simplify right side
    8,814.08x = 47,765,816.70
  5. Step 5: Solve for x
    x = 47,765,816.70/8,814.08
  6. Step 6: Final answer
    x = 5,419.26

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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.