Home / 8,514.02-12,763.47-3,318.68

Finding the Fourth Proportional to 8,514.02, 12,763.47 and 3,318.68

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Solution

The fourth proportional to 8,514.02, 12,763.47 and 3,318.68 is: 4,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.02 : 12,763.47 = 3,318.68 : x
  2. Step 2: Convert to fraction form
    8,514.02/12,763.47 = 3,318.68/x
  3. Step 3: Cross multiply
    8,514.02x = 12,763.47 × 3,318.68
  4. Step 4: Simplify right side
    8,514.02x = 42,357,872.62
  5. Step 5: Solve for x
    x = 42,357,872.62/8,514.02
  6. Step 6: Final answer
    x = 4,975.07

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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.