Home / 8,739.04-12,064.34-5,921.30

Finding the Fourth Proportional to 8,739.04, 12,064.34 and 5,921.30

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Solution

The fourth proportional to 8,739.04, 12,064.34 and 5,921.30 is: 8,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.04 : 12,064.34 = 5,921.30 : x
  2. Step 2: Convert to fraction form
    8,739.04/12,064.34 = 5,921.30/x
  3. Step 3: Cross multiply
    8,739.04x = 12,064.34 × 5,921.30
  4. Step 4: Simplify right side
    8,739.04x = 71,436,621.41
  5. Step 5: Solve for x
    x = 71,436,621.41/8,739.04
  6. Step 6: Final answer
    x = 8,174.42

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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.