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Finding the Fourth Proportional to 4,319, 6,479.84 and 3,004.12

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Solution

The fourth proportional to 4,319, 6,479.84 and 3,004.12 is: 4,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319 : 6,479.84 = 3,004.12 : x
  2. Step 2: Convert to fraction form
    4,319/6,479.84 = 3,004.12/x
  3. Step 3: Cross multiply
    4,319x = 6,479.84 × 3,004.12
  4. Step 4: Simplify right side
    4,319x = 19,466,216.94
  5. Step 5: Solve for x
    x = 19,466,216.94/4,319
  6. Step 6: Final answer
    x = 4,507.11

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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.