Home / 5,729.40-8,594.10-3,425.40

Finding the Fourth Proportional to 5,729.40, 8,594.10 and 3,425.40

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Solution

The fourth proportional to 5,729.40, 8,594.10 and 3,425.40 is: 5,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.40 : 8,594.10 = 3,425.40 : x
  2. Step 2: Convert to fraction form
    5,729.40/8,594.10 = 3,425.40/x
  3. Step 3: Cross multiply
    5,729.40x = 8,594.10 × 3,425.40
  4. Step 4: Simplify right side
    5,729.40x = 29,438,230.14
  5. Step 5: Solve for x
    x = 29,438,230.14/5,729.40
  6. Step 6: Final answer
    x = 5,138.10

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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.