Home / 4,720.17-7,078.20-2,378.73

Finding the Fourth Proportional to 4,720.17, 7,078.20 and 2,378.73

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Solution

The fourth proportional to 4,720.17, 7,078.20 and 2,378.73 is: 3,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.17 : 7,078.20 = 2,378.73 : x
  2. Step 2: Convert to fraction form
    4,720.17/7,078.20 = 2,378.73/x
  3. Step 3: Cross multiply
    4,720.17x = 7,078.20 × 2,378.73
  4. Step 4: Simplify right side
    4,720.17x = 16,837,126.69
  5. Step 5: Solve for x
    x = 16,837,126.69/4,720.17
  6. Step 6: Final answer
    x = 3,567.06

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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.