Home / 7,308.62-10,083.47-4,121.52

Finding the Fourth Proportional to 7,308.62, 10,083.47 and 4,121.52

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Solution

The fourth proportional to 7,308.62, 10,083.47 and 4,121.52 is: 5,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.62 : 10,083.47 = 4,121.52 : x
  2. Step 2: Convert to fraction form
    7,308.62/10,083.47 = 4,121.52/x
  3. Step 3: Cross multiply
    7,308.62x = 10,083.47 × 4,121.52
  4. Step 4: Simplify right side
    7,308.62x = 41,559,223.27
  5. Step 5: Solve for x
    x = 41,559,223.27/7,308.62
  6. Step 6: Final answer
    x = 5,686.33

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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.