Home / 5,108.67-7,050.09-2,870.41

Finding the Fourth Proportional to 5,108.67, 7,050.09 and 2,870.41

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Solution

The fourth proportional to 5,108.67, 7,050.09 and 2,870.41 is: 3,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.67 : 7,050.09 = 2,870.41 : x
  2. Step 2: Convert to fraction form
    5,108.67/7,050.09 = 2,870.41/x
  3. Step 3: Cross multiply
    5,108.67x = 7,050.09 × 2,870.41
  4. Step 4: Simplify right side
    5,108.67x = 20,236,658.88
  5. Step 5: Solve for x
    x = 20,236,658.88/5,108.67
  6. Step 6: Final answer
    x = 3,961.24

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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.