Home / 4,988.61-7,481.91-1,699.92

Finding the Fourth Proportional to 4,988.61, 7,481.91 and 1,699.92

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Solution

The fourth proportional to 4,988.61, 7,481.91 and 1,699.92 is: 2,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.61 : 7,481.91 = 1,699.92 : x
  2. Step 2: Convert to fraction form
    4,988.61/7,481.91 = 1,699.92/x
  3. Step 3: Cross multiply
    4,988.61x = 7,481.91 × 1,699.92
  4. Step 4: Simplify right side
    4,988.61x = 12,718,648.45
  5. Step 5: Solve for x
    x = 12,718,648.45/4,988.61
  6. Step 6: Final answer
    x = 2,549.54

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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.