Home / 8,529.22-12,808.20-5,572.72

Finding the Fourth Proportional to 8,529.22, 12,808.20 and 5,572.72

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Solution

The fourth proportional to 8,529.22, 12,808.20 and 5,572.72 is: 8,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.22 : 12,808.20 = 5,572.72 : x
  2. Step 2: Convert to fraction form
    8,529.22/12,808.20 = 5,572.72/x
  3. Step 3: Cross multiply
    8,529.22x = 12,808.20 × 5,572.72
  4. Step 4: Simplify right side
    8,529.22x = 71,376,512.30
  5. Step 5: Solve for x
    x = 71,376,512.30/8,529.22
  6. Step 6: Final answer
    x = 8,368.47

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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.