Home / 4,720.20-6,516.20-2,952.80

Finding the Fourth Proportional to 4,720.20, 6,516.20 and 2,952.80

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Solution

The fourth proportional to 4,720.20, 6,516.20 and 2,952.80 is: 4,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.20 : 6,516.20 = 2,952.80 : x
  2. Step 2: Convert to fraction form
    4,720.20/6,516.20 = 2,952.80/x
  3. Step 3: Cross multiply
    4,720.20x = 6,516.20 × 2,952.80
  4. Step 4: Simplify right side
    4,720.20x = 19,241,035.36
  5. Step 5: Solve for x
    x = 19,241,035.36/4,720.20
  6. Step 6: Final answer
    x = 4,076.32

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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.