Home / 6,705.78-10,042.20-5,528.58

Finding the Fourth Proportional to 6,705.78, 10,042.20 and 5,528.58

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Solution

The fourth proportional to 6,705.78, 10,042.20 and 5,528.58 is: 8,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.78 : 10,042.20 = 5,528.58 : x
  2. Step 2: Convert to fraction form
    6,705.78/10,042.20 = 5,528.58/x
  3. Step 3: Cross multiply
    6,705.78x = 10,042.20 × 5,528.58
  4. Step 4: Simplify right side
    6,705.78x = 55,519,106.08
  5. Step 5: Solve for x
    x = 55,519,106.08/6,705.78
  6. Step 6: Final answer
    x = 8,279.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.