Home / 6,153.20-8,491.28-3,358.70

Finding the Fourth Proportional to 6,153.20, 8,491.28 and 3,358.70

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Solution

The fourth proportional to 6,153.20, 8,491.28 and 3,358.70 is: 4,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.20 : 8,491.28 = 3,358.70 : x
  2. Step 2: Convert to fraction form
    6,153.20/8,491.28 = 3,358.70/x
  3. Step 3: Cross multiply
    6,153.20x = 8,491.28 × 3,358.70
  4. Step 4: Simplify right side
    6,153.20x = 28,519,662.14
  5. Step 5: Solve for x
    x = 28,519,662.14/6,153.20
  6. Step 6: Final answer
    x = 4,634.93

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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.