Home / 8,811.39-12,159.88-4,832.51

Finding the Fourth Proportional to 8,811.39, 12,159.88 and 4,832.51

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Solution

The fourth proportional to 8,811.39, 12,159.88 and 4,832.51 is: 6,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.39 : 12,159.88 = 4,832.51 : x
  2. Step 2: Convert to fraction form
    8,811.39/12,159.88 = 4,832.51/x
  3. Step 3: Cross multiply
    8,811.39x = 12,159.88 × 4,832.51
  4. Step 4: Simplify right side
    8,811.39x = 58,762,741.70
  5. Step 5: Solve for x
    x = 58,762,741.70/8,811.39
  6. Step 6: Final answer
    x = 6,668.95

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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.