Home / 4,771.10-7,152.39-2,429.80

Finding the Fourth Proportional to 4,771.10, 7,152.39 and 2,429.80

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Solution

The fourth proportional to 4,771.10, 7,152.39 and 2,429.80 is: 3,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.10 : 7,152.39 = 2,429.80 : x
  2. Step 2: Convert to fraction form
    4,771.10/7,152.39 = 2,429.80/x
  3. Step 3: Cross multiply
    4,771.10x = 7,152.39 × 2,429.80
  4. Step 4: Simplify right side
    4,771.10x = 17,378,877.22
  5. Step 5: Solve for x
    x = 17,378,877.22/4,771.10
  6. Step 6: Final answer
    x = 3,642.53

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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.