Home / 9,261.36-13,888.98-2,687.76

Finding the Fourth Proportional to 9,261.36, 13,888.98 and 2,687.76

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Solution

The fourth proportional to 9,261.36, 13,888.98 and 2,687.76 is: 4,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.36 : 13,888.98 = 2,687.76 : x
  2. Step 2: Convert to fraction form
    9,261.36/13,888.98 = 2,687.76/x
  3. Step 3: Cross multiply
    9,261.36x = 13,888.98 × 2,687.76
  4. Step 4: Simplify right side
    9,261.36x = 37,330,244.88
  5. Step 5: Solve for x
    x = 37,330,244.88/9,261.36
  6. Step 6: Final answer
    x = 4,030.75

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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.