Home / 4,988.25-6,886.53-2,999.25

Finding the Fourth Proportional to 4,988.25, 6,886.53 and 2,999.25

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Solution

The fourth proportional to 4,988.25, 6,886.53 and 2,999.25 is: 4,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.25 : 6,886.53 = 2,999.25 : x
  2. Step 2: Convert to fraction form
    4,988.25/6,886.53 = 2,999.25/x
  3. Step 3: Cross multiply
    4,988.25x = 6,886.53 × 2,999.25
  4. Step 4: Simplify right side
    4,988.25x = 20,654,425.10
  5. Step 5: Solve for x
    x = 20,654,425.10/4,988.25
  6. Step 6: Final answer
    x = 4,140.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.