Home / 8,409.08-12,615.62-2,565.32

Finding the Fourth Proportional to 8,409.08, 12,615.62 and 2,565.32

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Solution

The fourth proportional to 8,409.08, 12,615.62 and 2,565.32 is: 3,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.08 : 12,615.62 = 2,565.32 : x
  2. Step 2: Convert to fraction form
    8,409.08/12,615.62 = 2,565.32/x
  3. Step 3: Cross multiply
    8,409.08x = 12,615.62 × 2,565.32
  4. Step 4: Simplify right side
    8,409.08x = 32,363,102.30
  5. Step 5: Solve for x
    x = 32,363,102.30/8,409.08
  6. Step 6: Final answer
    x = 3,848.59

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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.