Home / 8,120.64-11,206.62-4,764.36

Finding the Fourth Proportional to 8,120.64, 11,206.62 and 4,764.36

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Solution

The fourth proportional to 8,120.64, 11,206.62 and 4,764.36 is: 6,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.64 : 11,206.62 = 4,764.36 : x
  2. Step 2: Convert to fraction form
    8,120.64/11,206.62 = 4,764.36/x
  3. Step 3: Cross multiply
    8,120.64x = 11,206.62 × 4,764.36
  4. Step 4: Simplify right side
    8,120.64x = 53,392,372.06
  5. Step 5: Solve for x
    x = 53,392,372.06/8,120.64
  6. Step 6: Final answer
    x = 6,574.90

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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.