Home / 4,803.49-6,628.21-2,678.50

Finding the Fourth Proportional to 4,803.49, 6,628.21 and 2,678.50

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Solution

The fourth proportional to 4,803.49, 6,628.21 and 2,678.50 is: 3,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.49 : 6,628.21 = 2,678.50 : x
  2. Step 2: Convert to fraction form
    4,803.49/6,628.21 = 2,678.50/x
  3. Step 3: Cross multiply
    4,803.49x = 6,628.21 × 2,678.50
  4. Step 4: Simplify right side
    4,803.49x = 17,753,660.49
  5. Step 5: Solve for x
    x = 17,753,660.49/4,803.49
  6. Step 6: Final answer
    x = 3,695.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.