Home / 6,079.21-8,390.10-3,427.45

Finding the Fourth Proportional to 6,079.21, 8,390.10 and 3,427.45

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Solution

The fourth proportional to 6,079.21, 8,390.10 and 3,427.45 is: 4,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.21 : 8,390.10 = 3,427.45 : x
  2. Step 2: Convert to fraction form
    6,079.21/8,390.10 = 3,427.45/x
  3. Step 3: Cross multiply
    6,079.21x = 8,390.10 × 3,427.45
  4. Step 4: Simplify right side
    6,079.21x = 28,756,648.25
  5. Step 5: Solve for x
    x = 28,756,648.25/6,079.21
  6. Step 6: Final answer
    x = 4,730.33

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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.