Home / 4,378.74-6,542.46-4,225.62

Finding the Fourth Proportional to 4,378.74, 6,542.46 and 4,225.62

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Solution

The fourth proportional to 4,378.74, 6,542.46 and 4,225.62 is: 6,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.74 : 6,542.46 = 4,225.62 : x
  2. Step 2: Convert to fraction form
    4,378.74/6,542.46 = 4,225.62/x
  3. Step 3: Cross multiply
    4,378.74x = 6,542.46 × 4,225.62
  4. Step 4: Simplify right side
    4,378.74x = 27,645,949.83
  5. Step 5: Solve for x
    x = 27,645,949.83/4,378.74
  6. Step 6: Final answer
    x = 6,313.68

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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.