Home / 6,119.80-8,445.31-3,467.05

Finding the Fourth Proportional to 6,119.80, 8,445.31 and 3,467.05

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Solution

The fourth proportional to 6,119.80, 8,445.31 and 3,467.05 is: 4,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.80 : 8,445.31 = 3,467.05 : x
  2. Step 2: Convert to fraction form
    6,119.80/8,445.31 = 3,467.05/x
  3. Step 3: Cross multiply
    6,119.80x = 8,445.31 × 3,467.05
  4. Step 4: Simplify right side
    6,119.80x = 29,280,312.04
  5. Step 5: Solve for x
    x = 29,280,312.04/6,119.80
  6. Step 6: Final answer
    x = 4,784.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.