Home / 4,421.28-6,631.98-1,134.42

Finding the Fourth Proportional to 4,421.28, 6,631.98 and 1,134.42

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Solution

The fourth proportional to 4,421.28, 6,631.98 and 1,134.42 is: 1,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.28 : 6,631.98 = 1,134.42 : x
  2. Step 2: Convert to fraction form
    4,421.28/6,631.98 = 1,134.42/x
  3. Step 3: Cross multiply
    4,421.28x = 6,631.98 × 1,134.42
  4. Step 4: Simplify right side
    4,421.28x = 7,523,450.75
  5. Step 5: Solve for x
    x = 7,523,450.75/4,421.28
  6. Step 6: Final answer
    x = 1,701.65

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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.