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Finding the Fourth Proportional to 5,510.66, 7,602.56 and 3,151.54

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Solution

The fourth proportional to 5,510.66, 7,602.56 and 3,151.54 is: 4,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.66 : 7,602.56 = 3,151.54 : x
  2. Step 2: Convert to fraction form
    5,510.66/7,602.56 = 3,151.54/x
  3. Step 3: Cross multiply
    5,510.66x = 7,602.56 × 3,151.54
  4. Step 4: Simplify right side
    5,510.66x = 23,959,771.94
  5. Step 5: Solve for x
    x = 23,959,771.94/5,510.66
  6. Step 6: Final answer
    x = 4,347.90

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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.