Home / 9,125.30-13,685.99-2,885.79

Finding the Fourth Proportional to 9,125.30, 13,685.99 and 2,885.79

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Solution

The fourth proportional to 9,125.30, 13,685.99 and 2,885.79 is: 4,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.30 : 13,685.99 = 2,885.79 : x
  2. Step 2: Convert to fraction form
    9,125.30/13,685.99 = 2,885.79/x
  3. Step 3: Cross multiply
    9,125.30x = 13,685.99 × 2,885.79
  4. Step 4: Simplify right side
    9,125.30x = 39,494,878.65
  5. Step 5: Solve for x
    x = 39,494,878.65/9,125.30
  6. Step 6: Final answer
    x = 4,328.07

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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.