Home / 5,411.25-8,106.36-3,556.74

Finding the Fourth Proportional to 5,411.25, 8,106.36 and 3,556.74

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Solution

The fourth proportional to 5,411.25, 8,106.36 and 3,556.74 is: 5,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.25 : 8,106.36 = 3,556.74 : x
  2. Step 2: Convert to fraction form
    5,411.25/8,106.36 = 3,556.74/x
  3. Step 3: Cross multiply
    5,411.25x = 8,106.36 × 3,556.74
  4. Step 4: Simplify right side
    5,411.25x = 28,832,214.87
  5. Step 5: Solve for x
    x = 28,832,214.87/5,411.25
  6. Step 6: Final answer
    x = 5,328.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.