Home / 8,219.04-12,327.72-4,520.04

Finding the Fourth Proportional to 8,219.04, 12,327.72 and 4,520.04

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Solution

The fourth proportional to 8,219.04, 12,327.72 and 4,520.04 is: 6,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.04 : 12,327.72 = 4,520.04 : x
  2. Step 2: Convert to fraction form
    8,219.04/12,327.72 = 4,520.04/x
  3. Step 3: Cross multiply
    8,219.04x = 12,327.72 × 4,520.04
  4. Step 4: Simplify right side
    8,219.04x = 55,721,787.51
  5. Step 5: Solve for x
    x = 55,721,787.51/8,219.04
  6. Step 6: Final answer
    x = 6,779.60

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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.