Home / 6,080.40-8,390.64-3,427.92

Finding the Fourth Proportional to 6,080.40, 8,390.64 and 3,427.92

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Solution

The fourth proportional to 6,080.40, 8,390.64 and 3,427.92 is: 4,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.40 : 8,390.64 = 3,427.92 : x
  2. Step 2: Convert to fraction form
    6,080.40/8,390.64 = 3,427.92/x
  3. Step 3: Cross multiply
    6,080.40x = 8,390.64 × 3,427.92
  4. Step 4: Simplify right side
    6,080.40x = 28,762,442.67
  5. Step 5: Solve for x
    x = 28,762,442.67/6,080.40
  6. Step 6: Final answer
    x = 4,730.35

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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.