Home / 5,078.14-7,580.42-4,389.24

Finding the Fourth Proportional to 5,078.14, 7,580.42 and 4,389.24

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Solution

The fourth proportional to 5,078.14, 7,580.42 and 4,389.24 is: 6,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.14 : 7,580.42 = 4,389.24 : x
  2. Step 2: Convert to fraction form
    5,078.14/7,580.42 = 4,389.24/x
  3. Step 3: Cross multiply
    5,078.14x = 7,580.42 × 4,389.24
  4. Step 4: Simplify right side
    5,078.14x = 33,272,282.68
  5. Step 5: Solve for x
    x = 33,272,282.68/5,078.14
  6. Step 6: Final answer
    x = 6,552.06

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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.