Home / 8,873.30-12,247.72-6,221.36

Finding the Fourth Proportional to 8,873.30, 12,247.72 and 6,221.36

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Solution

The fourth proportional to 8,873.30, 12,247.72 and 6,221.36 is: 8,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.30 : 12,247.72 = 6,221.36 : x
  2. Step 2: Convert to fraction form
    8,873.30/12,247.72 = 6,221.36/x
  3. Step 3: Cross multiply
    8,873.30x = 12,247.72 × 6,221.36
  4. Step 4: Simplify right side
    8,873.30x = 76,197,475.30
  5. Step 5: Solve for x
    x = 76,197,475.30/8,873.30
  6. Step 6: Final answer
    x = 8,587.28

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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.