Home / 4,807.85-7,179.71-4,561.80

Finding the Fourth Proportional to 4,807.85, 7,179.71 and 4,561.80

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Solution

The fourth proportional to 4,807.85, 7,179.71 and 4,561.80 is: 6,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.85 : 7,179.71 = 4,561.80 : x
  2. Step 2: Convert to fraction form
    4,807.85/7,179.71 = 4,561.80/x
  3. Step 3: Cross multiply
    4,807.85x = 7,179.71 × 4,561.80
  4. Step 4: Simplify right side
    4,807.85x = 32,752,378.27
  5. Step 5: Solve for x
    x = 32,752,378.27/4,807.85
  6. Step 6: Final answer
    x = 6,812.28

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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.