Home / 8,257.02-11,393.91-6,688.86

Finding the Fourth Proportional to 8,257.02, 11,393.91 and 6,688.86

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Solution

The fourth proportional to 8,257.02, 11,393.91 and 6,688.86 is: 9,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.02 : 11,393.91 = 6,688.86 : x
  2. Step 2: Convert to fraction form
    8,257.02/11,393.91 = 6,688.86/x
  3. Step 3: Cross multiply
    8,257.02x = 11,393.91 × 6,688.86
  4. Step 4: Simplify right side
    8,257.02x = 76,212,268.84
  5. Step 5: Solve for x
    x = 76,212,268.84/8,257.02
  6. Step 6: Final answer
    x = 9,230.00

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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.