Home / 8,840.24-12,200.68-5,705.52

Finding the Fourth Proportional to 8,840.24, 12,200.68 and 5,705.52

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Solution

The fourth proportional to 8,840.24, 12,200.68 and 5,705.52 is: 7,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.24 : 12,200.68 = 5,705.52 : x
  2. Step 2: Convert to fraction form
    8,840.24/12,200.68 = 5,705.52/x
  3. Step 3: Cross multiply
    8,840.24x = 12,200.68 × 5,705.52
  4. Step 4: Simplify right side
    8,840.24x = 69,611,223.75
  5. Step 5: Solve for x
    x = 69,611,223.75/8,840.24
  6. Step 6: Final answer
    x = 7,874.36

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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.