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Finding the Fourth Proportional to 4,699.16, 7,049.12 and 1,924.88

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Solution

The fourth proportional to 4,699.16, 7,049.12 and 1,924.88 is: 2,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.16 : 7,049.12 = 1,924.88 : x
  2. Step 2: Convert to fraction form
    4,699.16/7,049.12 = 1,924.88/x
  3. Step 3: Cross multiply
    4,699.16x = 7,049.12 × 1,924.88
  4. Step 4: Simplify right side
    4,699.16x = 13,568,710.11
  5. Step 5: Solve for x
    x = 13,568,710.11/4,699.16
  6. Step 6: Final answer
    x = 2,887.48

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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.