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Finding the Fourth Proportional to 6,492.76, 8,961.54 and 4,133.53

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Solution

The fourth proportional to 6,492.76, 8,961.54 and 4,133.53 is: 5,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.76 : 8,961.54 = 4,133.53 : x
  2. Step 2: Convert to fraction form
    6,492.76/8,961.54 = 4,133.53/x
  3. Step 3: Cross multiply
    6,492.76x = 8,961.54 × 4,133.53
  4. Step 4: Simplify right side
    6,492.76x = 37,042,790.14
  5. Step 5: Solve for x
    x = 37,042,790.14/6,492.76
  6. Step 6: Final answer
    x = 5,705.25

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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.