Home / 5,153.49-7,722.90-4,108.77

Finding the Fourth Proportional to 5,153.49, 7,722.90 and 4,108.77

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Solution

The fourth proportional to 5,153.49, 7,722.90 and 4,108.77 is: 6,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.49 : 7,722.90 = 4,108.77 : x
  2. Step 2: Convert to fraction form
    5,153.49/7,722.90 = 4,108.77/x
  3. Step 3: Cross multiply
    5,153.49x = 7,722.90 × 4,108.77
  4. Step 4: Simplify right side
    5,153.49x = 31,731,619.83
  5. Step 5: Solve for x
    x = 31,731,619.83/5,153.49
  6. Step 6: Final answer
    x = 6,157.31

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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.