Home / 5,564.10-7,678.83-3,206.40

Finding the Fourth Proportional to 5,564.10, 7,678.83 and 3,206.40

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Solution

The fourth proportional to 5,564.10, 7,678.83 and 3,206.40 is: 4,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.10 : 7,678.83 = 3,206.40 : x
  2. Step 2: Convert to fraction form
    5,564.10/7,678.83 = 3,206.40/x
  3. Step 3: Cross multiply
    5,564.10x = 7,678.83 × 3,206.40
  4. Step 4: Simplify right side
    5,564.10x = 24,621,383.74
  5. Step 5: Solve for x
    x = 24,621,383.74/5,564.10
  6. Step 6: Final answer
    x = 4,425.04

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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.