Home / 8,528.22-12,775.38-6,670.65

Finding the Fourth Proportional to 8,528.22, 12,775.38 and 6,670.65

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Solution

The fourth proportional to 8,528.22, 12,775.38 and 6,670.65 is: 9,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.22 : 12,775.38 = 6,670.65 : x
  2. Step 2: Convert to fraction form
    8,528.22/12,775.38 = 6,670.65/x
  3. Step 3: Cross multiply
    8,528.22x = 12,775.38 × 6,670.65
  4. Step 4: Simplify right side
    8,528.22x = 85,220,088.60
  5. Step 5: Solve for x
    x = 85,220,088.60/8,528.22
  6. Step 6: Final answer
    x = 9,992.72

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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.