Home / 5,774.28-8,639.75-3,425.68

Finding the Fourth Proportional to 5,774.28, 8,639.75 and 3,425.68

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Solution

The fourth proportional to 5,774.28, 8,639.75 and 3,425.68 is: 5,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.28 : 8,639.75 = 3,425.68 : x
  2. Step 2: Convert to fraction form
    5,774.28/8,639.75 = 3,425.68/x
  3. Step 3: Cross multiply
    5,774.28x = 8,639.75 × 3,425.68
  4. Step 4: Simplify right side
    5,774.28x = 29,597,001.65
  5. Step 5: Solve for x
    x = 29,597,001.65/5,774.28
  6. Step 6: Final answer
    x = 5,125.67

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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.