Home / 7,550.77-10,419.71-4,193.80

Finding the Fourth Proportional to 7,550.77, 10,419.71 and 4,193.80

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Solution

The fourth proportional to 7,550.77, 10,419.71 and 4,193.80 is: 5,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.77 : 10,419.71 = 4,193.80 : x
  2. Step 2: Convert to fraction form
    7,550.77/10,419.71 = 4,193.80/x
  3. Step 3: Cross multiply
    7,550.77x = 10,419.71 × 4,193.80
  4. Step 4: Simplify right side
    7,550.77x = 43,698,179.80
  5. Step 5: Solve for x
    x = 43,698,179.80/7,550.77
  6. Step 6: Final answer
    x = 5,787.25

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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.