Home / 4,421.12-6,101.28-2,431.76

Finding the Fourth Proportional to 4,421.12, 6,101.28 and 2,431.76

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Solution

The fourth proportional to 4,421.12, 6,101.28 and 2,431.76 is: 3,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.12 : 6,101.28 = 2,431.76 : x
  2. Step 2: Convert to fraction form
    4,421.12/6,101.28 = 2,431.76/x
  3. Step 3: Cross multiply
    4,421.12x = 6,101.28 × 2,431.76
  4. Step 4: Simplify right side
    4,421.12x = 14,836,848.65
  5. Step 5: Solve for x
    x = 14,836,848.65/4,421.12
  6. Step 6: Final answer
    x = 3,355.90

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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.