Home / 8,460.60-11,673.66-4,921.80

Finding the Fourth Proportional to 8,460.60, 11,673.66 and 4,921.80

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Solution

The fourth proportional to 8,460.60, 11,673.66 and 4,921.80 is: 6,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.60 : 11,673.66 = 4,921.80 : x
  2. Step 2: Convert to fraction form
    8,460.60/11,673.66 = 4,921.80/x
  3. Step 3: Cross multiply
    8,460.60x = 11,673.66 × 4,921.80
  4. Step 4: Simplify right side
    8,460.60x = 57,455,419.79
  5. Step 5: Solve for x
    x = 57,455,419.79/8,460.60
  6. Step 6: Final answer
    x = 6,790.94

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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.