Home / 9,142.19-13,711.88-2,901.39

Finding the Fourth Proportional to 9,142.19, 13,711.88 and 2,901.39

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Solution

The fourth proportional to 9,142.19, 13,711.88 and 2,901.39 is: 4,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.19 : 13,711.88 = 2,901.39 : x
  2. Step 2: Convert to fraction form
    9,142.19/13,711.88 = 2,901.39/x
  3. Step 3: Cross multiply
    9,142.19x = 13,711.88 × 2,901.39
  4. Step 4: Simplify right side
    9,142.19x = 39,783,507.89
  5. Step 5: Solve for x
    x = 39,783,507.89/9,142.19
  6. Step 6: Final answer
    x = 4,351.64

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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.