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Finding the Fourth Proportional to 5,105.68, 7,655.06 and 1,773.06

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Solution

The fourth proportional to 5,105.68, 7,655.06 and 1,773.06 is: 2,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.68 : 7,655.06 = 1,773.06 : x
  2. Step 2: Convert to fraction form
    5,105.68/7,655.06 = 1,773.06/x
  3. Step 3: Cross multiply
    5,105.68x = 7,655.06 × 1,773.06
  4. Step 4: Simplify right side
    5,105.68x = 13,572,880.68
  5. Step 5: Solve for x
    x = 13,572,880.68/5,105.68
  6. Step 6: Final answer
    x = 2,658.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.