Home / 6,835.62-10,215.97-4,990.62

Finding the Fourth Proportional to 6,835.62, 10,215.97 and 4,990.62

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Solution

The fourth proportional to 6,835.62, 10,215.97 and 4,990.62 is: 7,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,835.62 : 10,215.97 = 4,990.62 : x
  2. Step 2: Convert to fraction form
    6,835.62/10,215.97 = 4,990.62/x
  3. Step 3: Cross multiply
    6,835.62x = 10,215.97 × 4,990.62
  4. Step 4: Simplify right side
    6,835.62x = 50,983,948.17
  5. Step 5: Solve for x
    x = 50,983,948.17/6,835.62
  6. Step 6: Final answer
    x = 7,458.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.