Home / 6,215.75-8,575.63-4,222.83

Finding the Fourth Proportional to 6,215.75, 8,575.63 and 4,222.83

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Solution

The fourth proportional to 6,215.75, 8,575.63 and 4,222.83 is: 5,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.75 : 8,575.63 = 4,222.83 : x
  2. Step 2: Convert to fraction form
    6,215.75/8,575.63 = 4,222.83/x
  3. Step 3: Cross multiply
    6,215.75x = 8,575.63 × 4,222.83
  4. Step 4: Simplify right side
    6,215.75x = 36,213,417.08
  5. Step 5: Solve for x
    x = 36,213,417.08/6,215.75
  6. Step 6: Final answer
    x = 5,826.08

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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.