Home / 8,157.13-12,237.23-4,651.09

Finding the Fourth Proportional to 8,157.13, 12,237.23 and 4,651.09

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Solution

The fourth proportional to 8,157.13, 12,237.23 and 4,651.09 is: 6,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.13 : 12,237.23 = 4,651.09 : x
  2. Step 2: Convert to fraction form
    8,157.13/12,237.23 = 4,651.09/x
  3. Step 3: Cross multiply
    8,157.13x = 12,237.23 × 4,651.09
  4. Step 4: Simplify right side
    8,157.13x = 56,916,458.08
  5. Step 5: Solve for x
    x = 56,916,458.08/8,157.13
  6. Step 6: Final answer
    x = 6,977.51

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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.