Home / 8,276.85-11,422.02-4,875.84

Finding the Fourth Proportional to 8,276.85, 11,422.02 and 4,875.84

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Solution

The fourth proportional to 8,276.85, 11,422.02 and 4,875.84 is: 6,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.85 : 11,422.02 = 4,875.84 : x
  2. Step 2: Convert to fraction form
    8,276.85/11,422.02 = 4,875.84/x
  3. Step 3: Cross multiply
    8,276.85x = 11,422.02 × 4,875.84
  4. Step 4: Simplify right side
    8,276.85x = 55,691,909.94
  5. Step 5: Solve for x
    x = 55,691,909.94/8,276.85
  6. Step 6: Final answer
    x = 6,728.63

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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.