Home / 6,118.14-9,172.72-1,955.76

Finding the Fourth Proportional to 6,118.14, 9,172.72 and 1,955.76

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Solution

The fourth proportional to 6,118.14, 9,172.72 and 1,955.76 is: 2,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.14 : 9,172.72 = 1,955.76 : x
  2. Step 2: Convert to fraction form
    6,118.14/9,172.72 = 1,955.76/x
  3. Step 3: Cross multiply
    6,118.14x = 9,172.72 × 1,955.76
  4. Step 4: Simplify right side
    6,118.14x = 17,939,638.87
  5. Step 5: Solve for x
    x = 17,939,638.87/6,118.14
  6. Step 6: Final answer
    x = 2,932.20

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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.