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Finding the Fourth Proportional to 6,479.63, 8,903.13 and 5,151.03

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Solution

The fourth proportional to 6,479.63, 8,903.13 and 5,151.03 is: 7,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.63 : 8,903.13 = 5,151.03 : x
  2. Step 2: Convert to fraction form
    6,479.63/8,903.13 = 5,151.03/x
  3. Step 3: Cross multiply
    6,479.63x = 8,903.13 × 5,151.03
  4. Step 4: Simplify right side
    6,479.63x = 45,860,289.72
  5. Step 5: Solve for x
    x = 45,860,289.72/6,479.63
  6. Step 6: Final answer
    x = 7,077.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.