Home / 7,519.78-10,378.07-4,333.20

Finding the Fourth Proportional to 7,519.78, 10,378.07 and 4,333.20

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Solution

The fourth proportional to 7,519.78, 10,378.07 and 4,333.20 is: 5,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.78 : 10,378.07 = 4,333.20 : x
  2. Step 2: Convert to fraction form
    7,519.78/10,378.07 = 4,333.20/x
  3. Step 3: Cross multiply
    7,519.78x = 10,378.07 × 4,333.20
  4. Step 4: Simplify right side
    7,519.78x = 44,970,179.37
  5. Step 5: Solve for x
    x = 44,970,179.37/7,519.78
  6. Step 6: Final answer
    x = 5,980.25

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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.