Home / 5,324.90-7,988.60-1,626.89

Finding the Fourth Proportional to 5,324.90, 7,988.60 and 1,626.89

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Solution

The fourth proportional to 5,324.90, 7,988.60 and 1,626.89 is: 2,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.90 : 7,988.60 = 1,626.89 : x
  2. Step 2: Convert to fraction form
    5,324.90/7,988.60 = 1,626.89/x
  3. Step 3: Cross multiply
    5,324.90x = 7,988.60 × 1,626.89
  4. Step 4: Simplify right side
    5,324.90x = 12,996,537.58
  5. Step 5: Solve for x
    x = 12,996,537.58/5,324.90
  6. Step 6: Final answer
    x = 2,440.71

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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.