Home / 9,170.58-12,651.90-5,393.88

Finding the Fourth Proportional to 9,170.58, 12,651.90 and 5,393.88

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Solution

The fourth proportional to 9,170.58, 12,651.90 and 5,393.88 is: 7,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.58 : 12,651.90 = 5,393.88 : x
  2. Step 2: Convert to fraction form
    9,170.58/12,651.90 = 5,393.88/x
  3. Step 3: Cross multiply
    9,170.58x = 12,651.90 × 5,393.88
  4. Step 4: Simplify right side
    9,170.58x = 68,242,830.37
  5. Step 5: Solve for x
    x = 68,242,830.37/9,170.58
  6. Step 6: Final answer
    x = 7,441.50

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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.