Home / 8,143.02-11,236.59-6,468.48

Finding the Fourth Proportional to 8,143.02, 11,236.59 and 6,468.48

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Solution

The fourth proportional to 8,143.02, 11,236.59 and 6,468.48 is: 8,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.02 : 11,236.59 = 6,468.48 : x
  2. Step 2: Convert to fraction form
    8,143.02/11,236.59 = 6,468.48/x
  3. Step 3: Cross multiply
    8,143.02x = 11,236.59 × 6,468.48
  4. Step 4: Simplify right side
    8,143.02x = 72,683,657.68
  5. Step 5: Solve for x
    x = 72,683,657.68/8,143.02
  6. Step 6: Final answer
    x = 8,925.88

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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.