Home / 9,042.96-12,475.44-6,392.64

Finding the Fourth Proportional to 9,042.96, 12,475.44 and 6,392.64

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Solution

The fourth proportional to 9,042.96, 12,475.44 and 6,392.64 is: 8,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.96 : 12,475.44 = 6,392.64 : x
  2. Step 2: Convert to fraction form
    9,042.96/12,475.44 = 6,392.64/x
  3. Step 3: Cross multiply
    9,042.96x = 12,475.44 × 6,392.64
  4. Step 4: Simplify right side
    9,042.96x = 79,750,996.76
  5. Step 5: Solve for x
    x = 79,750,996.76/9,042.96
  6. Step 6: Final answer
    x = 8,819.13

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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.