Home / 4,218.30-5,828.94-3,656.94

Finding the Fourth Proportional to 4,218.30, 5,828.94 and 3,656.94

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Solution

The fourth proportional to 4,218.30, 5,828.94 and 3,656.94 is: 5,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.30 : 5,828.94 = 3,656.94 : x
  2. Step 2: Convert to fraction form
    4,218.30/5,828.94 = 3,656.94/x
  3. Step 3: Cross multiply
    4,218.30x = 5,828.94 × 3,656.94
  4. Step 4: Simplify right side
    4,218.30x = 21,316,083.84
  5. Step 5: Solve for x
    x = 21,316,083.84/4,218.30
  6. Step 6: Final answer
    x = 5,053.24

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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.