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Finding the Fourth Proportional to 5,773.83, 8,661.65 and 1,877.32

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Solution

The fourth proportional to 5,773.83, 8,661.65 and 1,877.32 is: 2,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.83 : 8,661.65 = 1,877.32 : x
  2. Step 2: Convert to fraction form
    5,773.83/8,661.65 = 1,877.32/x
  3. Step 3: Cross multiply
    5,773.83x = 8,661.65 × 1,877.32
  4. Step 4: Simplify right side
    5,773.83x = 16,260,679.39
  5. Step 5: Solve for x
    x = 16,260,679.39/5,773.83
  6. Step 6: Final answer
    x = 2,816.28

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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.