Home / 9,238.76-13,860.80-4,311.32

Finding the Fourth Proportional to 9,238.76, 13,860.80 and 4,311.32

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Solution

The fourth proportional to 9,238.76, 13,860.80 and 4,311.32 is: 6,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.76 : 13,860.80 = 4,311.32 : x
  2. Step 2: Convert to fraction form
    9,238.76/13,860.80 = 4,311.32/x
  3. Step 3: Cross multiply
    9,238.76x = 13,860.80 × 4,311.32
  4. Step 4: Simplify right side
    9,238.76x = 59,758,344.26
  5. Step 5: Solve for x
    x = 59,758,344.26/9,238.76
  6. Step 6: Final answer
    x = 6,468.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.