Home / 5,465.68-7,542.08-3,106.96

Finding the Fourth Proportional to 5,465.68, 7,542.08 and 3,106.96

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Solution

The fourth proportional to 5,465.68, 7,542.08 and 3,106.96 is: 4,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.68 : 7,542.08 = 3,106.96 : x
  2. Step 2: Convert to fraction form
    5,465.68/7,542.08 = 3,106.96/x
  3. Step 3: Cross multiply
    5,465.68x = 7,542.08 × 3,106.96
  4. Step 4: Simplify right side
    5,465.68x = 23,432,940.88
  5. Step 5: Solve for x
    x = 23,432,940.88/5,465.68
  6. Step 6: Final answer
    x = 4,287.29

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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.