Home / 8,271.10-12,406.63-3,590.50

Finding the Fourth Proportional to 8,271.10, 12,406.63 and 3,590.50

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Solution

The fourth proportional to 8,271.10, 12,406.63 and 3,590.50 is: 5,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.10 : 12,406.63 = 3,590.50 : x
  2. Step 2: Convert to fraction form
    8,271.10/12,406.63 = 3,590.50/x
  3. Step 3: Cross multiply
    8,271.10x = 12,406.63 × 3,590.50
  4. Step 4: Simplify right side
    8,271.10x = 44,546,034.96
  5. Step 5: Solve for x
    x = 44,546,034.96/8,271.10
  6. Step 6: Final answer
    x = 5,385.75

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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.