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Finding the Fourth Proportional to 5,779.54, 8,671.74 and 3,006.91

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Solution

The fourth proportional to 5,779.54, 8,671.74 and 3,006.91 is: 4,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.54 : 8,671.74 = 3,006.91 : x
  2. Step 2: Convert to fraction form
    5,779.54/8,671.74 = 3,006.91/x
  3. Step 3: Cross multiply
    5,779.54x = 8,671.74 × 3,006.91
  4. Step 4: Simplify right side
    5,779.54x = 26,075,141.72
  5. Step 5: Solve for x
    x = 26,075,141.72/5,779.54
  6. Step 6: Final answer
    x = 4,511.63

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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.