Home / 5,920.10-8,169.05-3,530.21

Finding the Fourth Proportional to 5,920.10, 8,169.05 and 3,530.21

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Solution

The fourth proportional to 5,920.10, 8,169.05 and 3,530.21 is: 4,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.10 : 8,169.05 = 3,530.21 : x
  2. Step 2: Convert to fraction form
    5,920.10/8,169.05 = 3,530.21/x
  3. Step 3: Cross multiply
    5,920.10x = 8,169.05 × 3,530.21
  4. Step 4: Simplify right side
    5,920.10x = 28,838,412.33
  5. Step 5: Solve for x
    x = 28,838,412.33/5,920.10
  6. Step 6: Final answer
    x = 4,871.27

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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.