Home / 5,078.47-7,614.62-3,321.35

Finding the Fourth Proportional to 5,078.47, 7,614.62 and 3,321.35

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Solution

The fourth proportional to 5,078.47, 7,614.62 and 3,321.35 is: 4,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.47 : 7,614.62 = 3,321.35 : x
  2. Step 2: Convert to fraction form
    5,078.47/7,614.62 = 3,321.35/x
  3. Step 3: Cross multiply
    5,078.47x = 7,614.62 × 3,321.35
  4. Step 4: Simplify right side
    5,078.47x = 25,290,763.46
  5. Step 5: Solve for x
    x = 25,290,763.46/5,078.47
  6. Step 6: Final answer
    x = 4,980.00

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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.