Home / 4,653.28-6,982.80-4,175.20

Finding the Fourth Proportional to 4,653.28, 6,982.80 and 4,175.20

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Solution

The fourth proportional to 4,653.28, 6,982.80 and 4,175.20 is: 6,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.28 : 6,982.80 = 4,175.20 : x
  2. Step 2: Convert to fraction form
    4,653.28/6,982.80 = 4,175.20/x
  3. Step 3: Cross multiply
    4,653.28x = 6,982.80 × 4,175.20
  4. Step 4: Simplify right side
    4,653.28x = 29,154,586.56
  5. Step 5: Solve for x
    x = 29,154,586.56/4,653.28
  6. Step 6: Final answer
    x = 6,265.38

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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.