Home / 5,465.14-7,540.59-3,108.58

Finding the Fourth Proportional to 5,465.14, 7,540.59 and 3,108.58

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Solution

The fourth proportional to 5,465.14, 7,540.59 and 3,108.58 is: 4,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.14 : 7,540.59 = 3,108.58 : x
  2. Step 2: Convert to fraction form
    5,465.14/7,540.59 = 3,108.58/x
  3. Step 3: Cross multiply
    5,465.14x = 7,540.59 × 3,108.58
  4. Step 4: Simplify right side
    5,465.14x = 23,440,520.07
  5. Step 5: Solve for x
    x = 23,440,520.07/5,465.14
  6. Step 6: Final answer
    x = 4,289.10

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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.