Home / 8,305.10-12,454.34-3,038.91

Finding the Fourth Proportional to 8,305.10, 12,454.34 and 3,038.91

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Solution

The fourth proportional to 8,305.10, 12,454.34 and 3,038.91 is: 4,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.10 : 12,454.34 = 3,038.91 : x
  2. Step 2: Convert to fraction form
    8,305.10/12,454.34 = 3,038.91/x
  3. Step 3: Cross multiply
    8,305.10x = 12,454.34 × 3,038.91
  4. Step 4: Simplify right side
    8,305.10x = 37,847,618.37
  5. Step 5: Solve for x
    x = 37,847,618.37/8,305.10
  6. Step 6: Final answer
    x = 4,557.15

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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.