Home / 8,188.02-12,281.76-2,641.32

Finding the Fourth Proportional to 8,188.02, 12,281.76 and 2,641.32

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Solution

The fourth proportional to 8,188.02, 12,281.76 and 2,641.32 is: 3,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.02 : 12,281.76 = 2,641.32 : x
  2. Step 2: Convert to fraction form
    8,188.02/12,281.76 = 2,641.32/x
  3. Step 3: Cross multiply
    8,188.02x = 12,281.76 × 2,641.32
  4. Step 4: Simplify right side
    8,188.02x = 32,440,058.32
  5. Step 5: Solve for x
    x = 32,440,058.32/8,188.02
  6. Step 6: Final answer
    x = 3,961.89

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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.