Home / 6,543.75-9,017.82-4,181.79

Finding the Fourth Proportional to 6,543.75, 9,017.82 and 4,181.79

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Solution

The fourth proportional to 6,543.75, 9,017.82 and 4,181.79 is: 5,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.75 : 9,017.82 = 4,181.79 : x
  2. Step 2: Convert to fraction form
    6,543.75/9,017.82 = 4,181.79/x
  3. Step 3: Cross multiply
    6,543.75x = 9,017.82 × 4,181.79
  4. Step 4: Simplify right side
    6,543.75x = 37,710,629.50
  5. Step 5: Solve for x
    x = 37,710,629.50/6,543.75
  6. Step 6: Final answer
    x = 5,762.85

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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.