Home / 7,617.83-11,428.46-2,687.51

Finding the Fourth Proportional to 7,617.83, 11,428.46 and 2,687.51

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Solution

The fourth proportional to 7,617.83, 11,428.46 and 2,687.51 is: 4,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.83 : 11,428.46 = 2,687.51 : x
  2. Step 2: Convert to fraction form
    7,617.83/11,428.46 = 2,687.51/x
  3. Step 3: Cross multiply
    7,617.83x = 11,428.46 × 2,687.51
  4. Step 4: Simplify right side
    7,617.83x = 30,714,115.67
  5. Step 5: Solve for x
    x = 30,714,115.67/7,617.83
  6. Step 6: Final answer
    x = 4,031.87

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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.