Home / 8,394.30-12,591.20-3,460.18

Finding the Fourth Proportional to 8,394.30, 12,591.20 and 3,460.18

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Solution

The fourth proportional to 8,394.30, 12,591.20 and 3,460.18 is: 5,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.30 : 12,591.20 = 3,460.18 : x
  2. Step 2: Convert to fraction form
    8,394.30/12,591.20 = 3,460.18/x
  3. Step 3: Cross multiply
    8,394.30x = 12,591.20 × 3,460.18
  4. Step 4: Simplify right side
    8,394.30x = 43,567,818.42
  5. Step 5: Solve for x
    x = 43,567,818.42/8,394.30
  6. Step 6: Final answer
    x = 5,190.17

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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.