Home / 9,125.49-13,687.54-2,885.36

Finding the Fourth Proportional to 9,125.49, 13,687.54 and 2,885.36

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Solution

The fourth proportional to 9,125.49, 13,687.54 and 2,885.36 is: 4,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.49 : 13,687.54 = 2,885.36 : x
  2. Step 2: Convert to fraction form
    9,125.49/13,687.54 = 2,885.36/x
  3. Step 3: Cross multiply
    9,125.49x = 13,687.54 × 2,885.36
  4. Step 4: Simplify right side
    9,125.49x = 39,493,482.80
  5. Step 5: Solve for x
    x = 39,493,482.80/9,125.49
  6. Step 6: Final answer
    x = 4,327.82

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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.