Home / 4,813.17-6,642.09-2,688.56

Finding the Fourth Proportional to 4,813.17, 6,642.09 and 2,688.56

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Solution

The fourth proportional to 4,813.17, 6,642.09 and 2,688.56 is: 3,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.17 : 6,642.09 = 2,688.56 : x
  2. Step 2: Convert to fraction form
    4,813.17/6,642.09 = 2,688.56/x
  3. Step 3: Cross multiply
    4,813.17x = 6,642.09 × 2,688.56
  4. Step 4: Simplify right side
    4,813.17x = 17,857,664.01
  5. Step 5: Solve for x
    x = 17,857,664.01/4,813.17
  6. Step 6: Final answer
    x = 3,710.17

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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.