Home / 9,051.12-13,577.20-2,811.68

Finding the Fourth Proportional to 9,051.12, 13,577.20 and 2,811.68

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Solution

The fourth proportional to 9,051.12, 13,577.20 and 2,811.68 is: 4,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.12 : 13,577.20 = 2,811.68 : x
  2. Step 2: Convert to fraction form
    9,051.12/13,577.20 = 2,811.68/x
  3. Step 3: Cross multiply
    9,051.12x = 13,577.20 × 2,811.68
  4. Step 4: Simplify right side
    9,051.12x = 38,174,741.70
  5. Step 5: Solve for x
    x = 38,174,741.70/9,051.12
  6. Step 6: Final answer
    x = 4,217.68

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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.