Home / 8,166.98-12,240.75-5,688.38

Finding the Fourth Proportional to 8,166.98, 12,240.75 and 5,688.38

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Solution

The fourth proportional to 8,166.98, 12,240.75 and 5,688.38 is: 8,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.98 : 12,240.75 = 5,688.38 : x
  2. Step 2: Convert to fraction form
    8,166.98/12,240.75 = 5,688.38/x
  3. Step 3: Cross multiply
    8,166.98x = 12,240.75 × 5,688.38
  4. Step 4: Simplify right side
    8,166.98x = 69,630,037.49
  5. Step 5: Solve for x
    x = 69,630,037.49/8,166.98
  6. Step 6: Final answer
    x = 8,525.80

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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.