Home / 9,160.99-13,742.57-2,918.83

Finding the Fourth Proportional to 9,160.99, 13,742.57 and 2,918.83

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Solution

The fourth proportional to 9,160.99, 13,742.57 and 2,918.83 is: 4,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.99 : 13,742.57 = 2,918.83 : x
  2. Step 2: Convert to fraction form
    9,160.99/13,742.57 = 2,918.83/x
  3. Step 3: Cross multiply
    9,160.99x = 13,742.57 × 2,918.83
  4. Step 4: Simplify right side
    9,160.99x = 40,112,225.59
  5. Step 5: Solve for x
    x = 40,112,225.59/9,160.99
  6. Step 6: Final answer
    x = 4,378.59

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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.