Home / 7,221.08-10,833.08-4,102.58

Finding the Fourth Proportional to 7,221.08, 10,833.08 and 4,102.58

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Solution

The fourth proportional to 7,221.08, 10,833.08 and 4,102.58 is: 6,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.08 : 10,833.08 = 4,102.58 : x
  2. Step 2: Convert to fraction form
    7,221.08/10,833.08 = 4,102.58/x
  3. Step 3: Cross multiply
    7,221.08x = 10,833.08 × 4,102.58
  4. Step 4: Simplify right side
    7,221.08x = 44,443,583.92
  5. Step 5: Solve for x
    x = 44,443,583.92/7,221.08
  6. Step 6: Final answer
    x = 6,154.70

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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.