Home / 8,341.28-12,514.80-3,148.64

Finding the Fourth Proportional to 8,341.28, 12,514.80 and 3,148.64

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Solution

The fourth proportional to 8,341.28, 12,514.80 and 3,148.64 is: 4,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.28 : 12,514.80 = 3,148.64 : x
  2. Step 2: Convert to fraction form
    8,341.28/12,514.80 = 3,148.64/x
  3. Step 3: Cross multiply
    8,341.28x = 12,514.80 × 3,148.64
  4. Step 4: Simplify right side
    8,341.28x = 39,404,599.87
  5. Step 5: Solve for x
    x = 39,404,599.87/8,341.28
  6. Step 6: Final answer
    x = 4,724.05

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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.