Home / 5,680.81-8,514.88-4,289.63

Finding the Fourth Proportional to 5,680.81, 8,514.88 and 4,289.63

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Solution

The fourth proportional to 5,680.81, 8,514.88 and 4,289.63 is: 6,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.81 : 8,514.88 = 4,289.63 : x
  2. Step 2: Convert to fraction form
    5,680.81/8,514.88 = 4,289.63/x
  3. Step 3: Cross multiply
    5,680.81x = 8,514.88 × 4,289.63
  4. Step 4: Simplify right side
    5,680.81x = 36,525,684.69
  5. Step 5: Solve for x
    x = 36,525,684.69/5,680.81
  6. Step 6: Final answer
    x = 6,429.66

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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.