Home / 4,968.10-7,447.51-1,678.89

Finding the Fourth Proportional to 4,968.10, 7,447.51 and 1,678.89

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Solution

The fourth proportional to 4,968.10, 7,447.51 and 1,678.89 is: 2,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.10 : 7,447.51 = 1,678.89 : x
  2. Step 2: Convert to fraction form
    4,968.10/7,447.51 = 1,678.89/x
  3. Step 3: Cross multiply
    4,968.10x = 7,447.51 × 1,678.89
  4. Step 4: Simplify right side
    4,968.10x = 12,503,550.06
  5. Step 5: Solve for x
    x = 12,503,550.06/4,968.10
  6. Step 6: Final answer
    x = 2,516.77

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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.