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Finding the Fourth Proportional to 6,479.02, 9,714.89 and 4,248.28

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Solution

The fourth proportional to 6,479.02, 9,714.89 and 4,248.28 is: 6,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.02 : 9,714.89 = 4,248.28 : x
  2. Step 2: Convert to fraction form
    6,479.02/9,714.89 = 4,248.28/x
  3. Step 3: Cross multiply
    6,479.02x = 9,714.89 × 4,248.28
  4. Step 4: Simplify right side
    6,479.02x = 41,271,571.76
  5. Step 5: Solve for x
    x = 41,271,571.76/6,479.02
  6. Step 6: Final answer
    x = 6,370.03

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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.