Home / 6,257.09-8,630.61-4,015.42

Finding the Fourth Proportional to 6,257.09, 8,630.61 and 4,015.42

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Solution

The fourth proportional to 6,257.09, 8,630.61 and 4,015.42 is: 5,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.09 : 8,630.61 = 4,015.42 : x
  2. Step 2: Convert to fraction form
    6,257.09/8,630.61 = 4,015.42/x
  3. Step 3: Cross multiply
    6,257.09x = 8,630.61 × 4,015.42
  4. Step 4: Simplify right side
    6,257.09x = 34,655,524.01
  5. Step 5: Solve for x
    x = 34,655,524.01/6,257.09
  6. Step 6: Final answer
    x = 5,538.60

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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.