Home / 9,785.99-14,679.39-2,390.69

Finding the Fourth Proportional to 9,785.99, 14,679.39 and 2,390.69

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Solution

The fourth proportional to 9,785.99, 14,679.39 and 2,390.69 is: 3,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.99 : 14,679.39 = 2,390.69 : x
  2. Step 2: Convert to fraction form
    9,785.99/14,679.39 = 2,390.69/x
  3. Step 3: Cross multiply
    9,785.99x = 14,679.39 × 2,390.69
  4. Step 4: Simplify right side
    9,785.99x = 35,093,870.88
  5. Step 5: Solve for x
    x = 35,093,870.88/9,785.99
  6. Step 6: Final answer
    x = 3,586.13

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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.