Home / 8,119.85-11,204.70-4,582.58

Finding the Fourth Proportional to 8,119.85, 11,204.70 and 4,582.58

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Solution

The fourth proportional to 8,119.85, 11,204.70 and 4,582.58 is: 6,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.85 : 11,204.70 = 4,582.58 : x
  2. Step 2: Convert to fraction form
    8,119.85/11,204.70 = 4,582.58/x
  3. Step 3: Cross multiply
    8,119.85x = 11,204.70 × 4,582.58
  4. Step 4: Simplify right side
    8,119.85x = 51,346,434.13
  5. Step 5: Solve for x
    x = 51,346,434.13/8,119.85
  6. Step 6: Final answer
    x = 6,323.57

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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.