Home / 8,119.73-11,206.35-4,763.63

Finding the Fourth Proportional to 8,119.73, 11,206.35 and 4,763.63

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Solution

The fourth proportional to 8,119.73, 11,206.35 and 4,763.63 is: 6,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.73 : 11,206.35 = 4,763.63 : x
  2. Step 2: Convert to fraction form
    8,119.73/11,206.35 = 4,763.63/x
  3. Step 3: Cross multiply
    8,119.73x = 11,206.35 × 4,763.63
  4. Step 4: Simplify right side
    8,119.73x = 53,382,849.02
  5. Step 5: Solve for x
    x = 53,382,849.02/8,119.73
  6. Step 6: Final answer
    x = 6,574.47

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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.