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Finding the Fourth Proportional to 4,886.92, 7,329.48 and 1,723.78

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Solution

The fourth proportional to 4,886.92, 7,329.48 and 1,723.78 is: 2,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.92 : 7,329.48 = 1,723.78 : x
  2. Step 2: Convert to fraction form
    4,886.92/7,329.48 = 1,723.78/x
  3. Step 3: Cross multiply
    4,886.92x = 7,329.48 × 1,723.78
  4. Step 4: Simplify right side
    4,886.92x = 12,634,411.03
  5. Step 5: Solve for x
    x = 12,634,411.03/4,886.92
  6. Step 6: Final answer
    x = 2,585.35

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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.