Home / 4,215.72-6,326.10-3,885.24

Finding the Fourth Proportional to 4,215.72, 6,326.10 and 3,885.24

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Solution

The fourth proportional to 4,215.72, 6,326.10 and 3,885.24 is: 5,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.72 : 6,326.10 = 3,885.24 : x
  2. Step 2: Convert to fraction form
    4,215.72/6,326.10 = 3,885.24/x
  3. Step 3: Cross multiply
    4,215.72x = 6,326.10 × 3,885.24
  4. Step 4: Simplify right side
    4,215.72x = 24,578,416.76
  5. Step 5: Solve for x
    x = 24,578,416.76/4,215.72
  6. Step 6: Final answer
    x = 5,830.18

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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.