Home / 8,350.36-12,521.50-3,156.68

Finding the Fourth Proportional to 8,350.36, 12,521.50 and 3,156.68

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Solution

The fourth proportional to 8,350.36, 12,521.50 and 3,156.68 is: 4,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.36 : 12,521.50 = 3,156.68 : x
  2. Step 2: Convert to fraction form
    8,350.36/12,521.50 = 3,156.68/x
  3. Step 3: Cross multiply
    8,350.36x = 12,521.50 × 3,156.68
  4. Step 4: Simplify right side
    8,350.36x = 39,526,368.62
  5. Step 5: Solve for x
    x = 39,526,368.62/8,350.36
  6. Step 6: Final answer
    x = 4,733.49

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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.