Home / 8,134.60-11,218.93-6,453.35

Finding the Fourth Proportional to 8,134.60, 11,218.93 and 6,453.35

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Solution

The fourth proportional to 8,134.60, 11,218.93 and 6,453.35 is: 8,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.60 : 11,218.93 = 6,453.35 : x
  2. Step 2: Convert to fraction form
    8,134.60/11,218.93 = 6,453.35/x
  3. Step 3: Cross multiply
    8,134.60x = 11,218.93 × 6,453.35
  4. Step 4: Simplify right side
    8,134.60x = 72,399,638.36
  5. Step 5: Solve for x
    x = 72,399,638.36/8,134.60
  6. Step 6: Final answer
    x = 8,900.21

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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.