Home / 5,077.90-7,616.81-2,613.41

Finding the Fourth Proportional to 5,077.90, 7,616.81 and 2,613.41

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Solution

The fourth proportional to 5,077.90, 7,616.81 and 2,613.41 is: 3,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.90 : 7,616.81 = 2,613.41 : x
  2. Step 2: Convert to fraction form
    5,077.90/7,616.81 = 2,613.41/x
  3. Step 3: Cross multiply
    5,077.90x = 7,616.81 × 2,613.41
  4. Step 4: Simplify right side
    5,077.90x = 19,905,815.87
  5. Step 5: Solve for x
    x = 19,905,815.87/5,077.90
  6. Step 6: Final answer
    x = 3,920.09

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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.