Home / 7,612.30-11,419.86-2,685.07

Finding the Fourth Proportional to 7,612.30, 11,419.86 and 2,685.07

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Solution

The fourth proportional to 7,612.30, 11,419.86 and 2,685.07 is: 4,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.30 : 11,419.86 = 2,685.07 : x
  2. Step 2: Convert to fraction form
    7,612.30/11,419.86 = 2,685.07/x
  3. Step 3: Cross multiply
    7,612.30x = 11,419.86 × 2,685.07
  4. Step 4: Simplify right side
    7,612.30x = 30,663,123.49
  5. Step 5: Solve for x
    x = 30,663,123.49/7,612.30
  6. Step 6: Final answer
    x = 4,028.10

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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.