Home / 7,103.21-10,658.48-3,157.19

Finding the Fourth Proportional to 7,103.21, 10,658.48 and 3,157.19

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Solution

The fourth proportional to 7,103.21, 10,658.48 and 3,157.19 is: 4,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.21 : 10,658.48 = 3,157.19 : x
  2. Step 2: Convert to fraction form
    7,103.21/10,658.48 = 3,157.19/x
  3. Step 3: Cross multiply
    7,103.21x = 10,658.48 × 3,157.19
  4. Step 4: Simplify right side
    7,103.21x = 33,650,830.69
  5. Step 5: Solve for x
    x = 33,650,830.69/7,103.21
  6. Step 6: Final answer
    x = 4,737.41

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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.