Home / 7,550.85-10,420.28-4,193.88

Finding the Fourth Proportional to 7,550.85, 10,420.28 and 4,193.88

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Solution

The fourth proportional to 7,550.85, 10,420.28 and 4,193.88 is: 5,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.85 : 10,420.28 = 4,193.88 : x
  2. Step 2: Convert to fraction form
    7,550.85/10,420.28 = 4,193.88/x
  3. Step 3: Cross multiply
    7,550.85x = 10,420.28 × 4,193.88
  4. Step 4: Simplify right side
    7,550.85x = 43,701,382.92
  5. Step 5: Solve for x
    x = 43,701,382.92/7,550.85
  6. Step 6: Final answer
    x = 5,787.61

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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.