Home / 4,872.14-7,313.40-2,100.18

Finding the Fourth Proportional to 4,872.14, 7,313.40 and 2,100.18

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Solution

The fourth proportional to 4,872.14, 7,313.40 and 2,100.18 is: 3,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.14 : 7,313.40 = 2,100.18 : x
  2. Step 2: Convert to fraction form
    4,872.14/7,313.40 = 2,100.18/x
  3. Step 3: Cross multiply
    4,872.14x = 7,313.40 × 2,100.18
  4. Step 4: Simplify right side
    4,872.14x = 15,359,456.41
  5. Step 5: Solve for x
    x = 15,359,456.41/4,872.14
  6. Step 6: Final answer
    x = 3,152.51

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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.