Home / 8,319.02-11,481.36-8,045.51

Finding the Fourth Proportional to 8,319.02, 11,481.36 and 8,045.51

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Solution

The fourth proportional to 8,319.02, 11,481.36 and 8,045.51 is: 11,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.02 : 11,481.36 = 8,045.51 : x
  2. Step 2: Convert to fraction form
    8,319.02/11,481.36 = 8,045.51/x
  3. Step 3: Cross multiply
    8,319.02x = 11,481.36 × 8,045.51
  4. Step 4: Simplify right side
    8,319.02x = 92,373,396.69
  5. Step 5: Solve for x
    x = 92,373,396.69/8,319.02
  6. Step 6: Final answer
    x = 11,103.88

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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.