Home / 7,931.88-10,940.58-4,619.88

Finding the Fourth Proportional to 7,931.88, 10,940.58 and 4,619.88

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Solution

The fourth proportional to 7,931.88, 10,940.58 and 4,619.88 is: 6,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.88 : 10,940.58 = 4,619.88 : x
  2. Step 2: Convert to fraction form
    7,931.88/10,940.58 = 4,619.88/x
  3. Step 3: Cross multiply
    7,931.88x = 10,940.58 × 4,619.88
  4. Step 4: Simplify right side
    7,931.88x = 50,544,166.73
  5. Step 5: Solve for x
    x = 50,544,166.73/7,931.88
  6. Step 6: Final answer
    x = 6,372.28

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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.