Home / 4,228.96-6,307.68-3,985.04

Finding the Fourth Proportional to 4,228.96, 6,307.68 and 3,985.04

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Solution

The fourth proportional to 4,228.96, 6,307.68 and 3,985.04 is: 5,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.96 : 6,307.68 = 3,985.04 : x
  2. Step 2: Convert to fraction form
    4,228.96/6,307.68 = 3,985.04/x
  3. Step 3: Cross multiply
    4,228.96x = 6,307.68 × 3,985.04
  4. Step 4: Simplify right side
    4,228.96x = 25,136,337.18
  5. Step 5: Solve for x
    x = 25,136,337.18/4,228.96
  6. Step 6: Final answer
    x = 5,943.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.