Home / 8,124.55-12,187.17-2,577.77

Finding the Fourth Proportional to 8,124.55, 12,187.17 and 2,577.77

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Solution

The fourth proportional to 8,124.55, 12,187.17 and 2,577.77 is: 3,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.55 : 12,187.17 = 2,577.77 : x
  2. Step 2: Convert to fraction form
    8,124.55/12,187.17 = 2,577.77/x
  3. Step 3: Cross multiply
    8,124.55x = 12,187.17 × 2,577.77
  4. Step 4: Simplify right side
    8,124.55x = 31,415,708.32
  5. Step 5: Solve for x
    x = 31,415,708.32/8,124.55
  6. Step 6: Final answer
    x = 3,866.77

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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.