Home / 9,140.13-13,710.68-2,900.61

Finding the Fourth Proportional to 9,140.13, 13,710.68 and 2,900.61

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Solution

The fourth proportional to 9,140.13, 13,710.68 and 2,900.61 is: 4,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.13 : 13,710.68 = 2,900.61 : x
  2. Step 2: Convert to fraction form
    9,140.13/13,710.68 = 2,900.61/x
  3. Step 3: Cross multiply
    9,140.13x = 13,710.68 × 2,900.61
  4. Step 4: Simplify right side
    9,140.13x = 39,769,321.01
  5. Step 5: Solve for x
    x = 39,769,321.01/9,140.13
  6. Step 6: Final answer
    x = 4,351.07

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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.