Home / 5,108.25-7,647.75-3,461.87

Finding the Fourth Proportional to 5,108.25, 7,647.75 and 3,461.87

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Solution

The fourth proportional to 5,108.25, 7,647.75 and 3,461.87 is: 5,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.25 : 7,647.75 = 3,461.87 : x
  2. Step 2: Convert to fraction form
    5,108.25/7,647.75 = 3,461.87/x
  3. Step 3: Cross multiply
    5,108.25x = 7,647.75 × 3,461.87
  4. Step 4: Simplify right side
    5,108.25x = 26,475,505.83
  5. Step 5: Solve for x
    x = 26,475,505.83/5,108.25
  6. Step 6: Final answer
    x = 5,182.89

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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.