Home / 8,118.48-11,203.50-4,581.68

Finding the Fourth Proportional to 8,118.48, 11,203.50 and 4,581.68

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Solution

The fourth proportional to 8,118.48, 11,203.50 and 4,581.68 is: 6,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.48 : 11,203.50 = 4,581.68 : x
  2. Step 2: Convert to fraction form
    8,118.48/11,203.50 = 4,581.68/x
  3. Step 3: Cross multiply
    8,118.48x = 11,203.50 × 4,581.68
  4. Step 4: Simplify right side
    8,118.48x = 51,330,851.88
  5. Step 5: Solve for x
    x = 51,330,851.88/8,118.48
  6. Step 6: Final answer
    x = 6,322.72

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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.