Home / 5,685.63-7,843.93-3,560.28

Finding the Fourth Proportional to 5,685.63, 7,843.93 and 3,560.28

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Solution

The fourth proportional to 5,685.63, 7,843.93 and 3,560.28 is: 4,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.63 : 7,843.93 = 3,560.28 : x
  2. Step 2: Convert to fraction form
    5,685.63/7,843.93 = 3,560.28/x
  3. Step 3: Cross multiply
    5,685.63x = 7,843.93 × 3,560.28
  4. Step 4: Simplify right side
    5,685.63x = 27,926,587.10
  5. Step 5: Solve for x
    x = 27,926,587.10/5,685.63
  6. Step 6: Final answer
    x = 4,911.78

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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.