Home / 6,354.28-8,768.58-3,521.62

Finding the Fourth Proportional to 6,354.28, 8,768.58 and 3,521.62

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Solution

The fourth proportional to 6,354.28, 8,768.58 and 3,521.62 is: 4,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.28 : 8,768.58 = 3,521.62 : x
  2. Step 2: Convert to fraction form
    6,354.28/8,768.58 = 3,521.62/x
  3. Step 3: Cross multiply
    6,354.28x = 8,768.58 × 3,521.62
  4. Step 4: Simplify right side
    6,354.28x = 30,879,606.70
  5. Step 5: Solve for x
    x = 30,879,606.70/6,354.28
  6. Step 6: Final answer
    x = 4,859.65

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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.