Home / 6,531.70-9,015.80-4,173.85

Finding the Fourth Proportional to 6,531.70, 9,015.80 and 4,173.85

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Solution

The fourth proportional to 6,531.70, 9,015.80 and 4,173.85 is: 5,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.70 : 9,015.80 = 4,173.85 : x
  2. Step 2: Convert to fraction form
    6,531.70/9,015.80 = 4,173.85/x
  3. Step 3: Cross multiply
    6,531.70x = 9,015.80 × 4,173.85
  4. Step 4: Simplify right side
    6,531.70x = 37,630,596.83
  5. Step 5: Solve for x
    x = 37,630,596.83/6,531.70
  6. Step 6: Final answer
    x = 5,761.23

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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.