Home / 4,458.07-6,688.68-1,992.70

Finding the Fourth Proportional to 4,458.07, 6,688.68 and 1,992.70

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Solution

The fourth proportional to 4,458.07, 6,688.68 and 1,992.70 is: 2,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.07 : 6,688.68 = 1,992.70 : x
  2. Step 2: Convert to fraction form
    4,458.07/6,688.68 = 1,992.70/x
  3. Step 3: Cross multiply
    4,458.07x = 6,688.68 × 1,992.70
  4. Step 4: Simplify right side
    4,458.07x = 13,328,532.64
  5. Step 5: Solve for x
    x = 13,328,532.64/4,458.07
  6. Step 6: Final answer
    x = 2,989.75

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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.