Home / 8,001.32-12,001.64-4,490.58

Finding the Fourth Proportional to 8,001.32, 12,001.64 and 4,490.58

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Solution

The fourth proportional to 8,001.32, 12,001.64 and 4,490.58 is: 6,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.32 : 12,001.64 = 4,490.58 : x
  2. Step 2: Convert to fraction form
    8,001.32/12,001.64 = 4,490.58/x
  3. Step 3: Cross multiply
    8,001.32x = 12,001.64 × 4,490.58
  4. Step 4: Simplify right side
    8,001.32x = 53,894,324.55
  5. Step 5: Solve for x
    x = 53,894,324.55/8,001.32
  6. Step 6: Final answer
    x = 6,735.68

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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.