Home / 4,902.04-7,357.92-3,988.36

Finding the Fourth Proportional to 4,902.04, 7,357.92 and 3,988.36

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Solution

The fourth proportional to 4,902.04, 7,357.92 and 3,988.36 is: 5,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.04 : 7,357.92 = 3,988.36 : x
  2. Step 2: Convert to fraction form
    4,902.04/7,357.92 = 3,988.36/x
  3. Step 3: Cross multiply
    4,902.04x = 7,357.92 × 3,988.36
  4. Step 4: Simplify right side
    4,902.04x = 29,346,033.81
  5. Step 5: Solve for x
    x = 29,346,033.81/4,902.04
  6. Step 6: Final answer
    x = 5,986.49

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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.