Home / 8,020.32-11,068.55-4,483.79

Finding the Fourth Proportional to 8,020.32, 11,068.55 and 4,483.79

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Solution

The fourth proportional to 8,020.32, 11,068.55 and 4,483.79 is: 6,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.32 : 11,068.55 = 4,483.79 : x
  2. Step 2: Convert to fraction form
    8,020.32/11,068.55 = 4,483.79/x
  3. Step 3: Cross multiply
    8,020.32x = 11,068.55 × 4,483.79
  4. Step 4: Simplify right side
    8,020.32x = 49,629,053.80
  5. Step 5: Solve for x
    x = 49,629,053.80/8,020.32
  6. Step 6: Final answer
    x = 6,187.91

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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.