Home / 8,988.36-13,474.56-4,830.60

Finding the Fourth Proportional to 8,988.36, 13,474.56 and 4,830.60

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Solution

The fourth proportional to 8,988.36, 13,474.56 and 4,830.60 is: 7,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.36 : 13,474.56 = 4,830.60 : x
  2. Step 2: Convert to fraction form
    8,988.36/13,474.56 = 4,830.60/x
  3. Step 3: Cross multiply
    8,988.36x = 13,474.56 × 4,830.60
  4. Step 4: Simplify right side
    8,988.36x = 65,090,209.54
  5. Step 5: Solve for x
    x = 65,090,209.54/8,988.36
  6. Step 6: Final answer
    x = 7,241.61

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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.