Home / 4,911.50-6,776.43-2,921.06

Finding the Fourth Proportional to 4,911.50, 6,776.43 and 2,921.06

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Solution

The fourth proportional to 4,911.50, 6,776.43 and 2,921.06 is: 4,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.50 : 6,776.43 = 2,921.06 : x
  2. Step 2: Convert to fraction form
    4,911.50/6,776.43 = 2,921.06/x
  3. Step 3: Cross multiply
    4,911.50x = 6,776.43 × 2,921.06
  4. Step 4: Simplify right side
    4,911.50x = 19,794,358.62
  5. Step 5: Solve for x
    x = 19,794,358.62/4,911.50
  6. Step 6: Final answer
    x = 4,030.21

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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.