Home / 9,142.20-13,709.22-2,901.06

Finding the Fourth Proportional to 9,142.20, 13,709.22 and 2,901.06

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Solution

The fourth proportional to 9,142.20, 13,709.22 and 2,901.06 is: 4,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.20 : 13,709.22 = 2,901.06 : x
  2. Step 2: Convert to fraction form
    9,142.20/13,709.22 = 2,901.06/x
  3. Step 3: Cross multiply
    9,142.20x = 13,709.22 × 2,901.06
  4. Step 4: Simplify right side
    9,142.20x = 39,771,269.77
  5. Step 5: Solve for x
    x = 39,771,269.77/9,142.20
  6. Step 6: Final answer
    x = 4,350.30

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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.