Home / 9,125.90-13,687.67-2,886.55

Finding the Fourth Proportional to 9,125.90, 13,687.67 and 2,886.55

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Solution

The fourth proportional to 9,125.90, 13,687.67 and 2,886.55 is: 4,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.90 : 13,687.67 = 2,886.55 : x
  2. Step 2: Convert to fraction form
    9,125.90/13,687.67 = 2,886.55/x
  3. Step 3: Cross multiply
    9,125.90x = 13,687.67 × 2,886.55
  4. Step 4: Simplify right side
    9,125.90x = 39,510,143.84
  5. Step 5: Solve for x
    x = 39,510,143.84/9,125.90
  6. Step 6: Final answer
    x = 4,329.45

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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.