Home / 8,558.43-11,811.51-6,170.37

Finding the Fourth Proportional to 8,558.43, 11,811.51 and 6,170.37

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Solution

The fourth proportional to 8,558.43, 11,811.51 and 6,170.37 is: 8,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.43 : 11,811.51 = 6,170.37 : x
  2. Step 2: Convert to fraction form
    8,558.43/11,811.51 = 6,170.37/x
  3. Step 3: Cross multiply
    8,558.43x = 11,811.51 × 6,170.37
  4. Step 4: Simplify right side
    8,558.43x = 72,881,386.96
  5. Step 5: Solve for x
    x = 72,881,386.96/8,558.43
  6. Step 6: Final answer
    x = 8,515.74

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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.