Home / 9,171.17-13,758.59-2,930.99

Finding the Fourth Proportional to 9,171.17, 13,758.59 and 2,930.99

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Solution

The fourth proportional to 9,171.17, 13,758.59 and 2,930.99 is: 4,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.17 : 13,758.59 = 2,930.99 : x
  2. Step 2: Convert to fraction form
    9,171.17/13,758.59 = 2,930.99/x
  3. Step 3: Cross multiply
    9,171.17x = 13,758.59 × 2,930.99
  4. Step 4: Simplify right side
    9,171.17x = 40,326,228.24
  5. Step 5: Solve for x
    x = 40,326,228.24/9,171.17
  6. Step 6: Final answer
    x = 4,397.07

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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.