Home / 4,683.87-7,057.04-4,239.66

Finding the Fourth Proportional to 4,683.87, 7,057.04 and 4,239.66

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Solution

The fourth proportional to 4,683.87, 7,057.04 and 4,239.66 is: 6,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.87 : 7,057.04 = 4,239.66 : x
  2. Step 2: Convert to fraction form
    4,683.87/7,057.04 = 4,239.66/x
  3. Step 3: Cross multiply
    4,683.87x = 7,057.04 × 4,239.66
  4. Step 4: Simplify right side
    4,683.87x = 29,919,429.01
  5. Step 5: Solve for x
    x = 29,919,429.01/4,683.87
  6. Step 6: Final answer
    x = 6,387.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.