Home / 8,519.37-11,756.45-4,742.40

Finding the Fourth Proportional to 8,519.37, 11,756.45 and 4,742.40

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Solution

The fourth proportional to 8,519.37, 11,756.45 and 4,742.40 is: 6,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.37 : 11,756.45 = 4,742.40 : x
  2. Step 2: Convert to fraction form
    8,519.37/11,756.45 = 4,742.40/x
  3. Step 3: Cross multiply
    8,519.37x = 11,756.45 × 4,742.40
  4. Step 4: Simplify right side
    8,519.37x = 55,753,788.48
  5. Step 5: Solve for x
    x = 55,753,788.48/8,519.37
  6. Step 6: Final answer
    x = 6,544.36

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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.