Home / 4,808.56-6,636.04-2,921.44

Finding the Fourth Proportional to 4,808.56, 6,636.04 and 2,921.44

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Solution

The fourth proportional to 4,808.56, 6,636.04 and 2,921.44 is: 4,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.56 : 6,636.04 = 2,921.44 : x
  2. Step 2: Convert to fraction form
    4,808.56/6,636.04 = 2,921.44/x
  3. Step 3: Cross multiply
    4,808.56x = 6,636.04 × 2,921.44
  4. Step 4: Simplify right side
    4,808.56x = 19,386,792.70
  5. Step 5: Solve for x
    x = 19,386,792.70/4,808.56
  6. Step 6: Final answer
    x = 4,031.73

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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.