Home / 8,904.67-12,287.97-5,127.98

Finding the Fourth Proportional to 8,904.67, 12,287.97 and 5,127.98

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Solution

The fourth proportional to 8,904.67, 12,287.97 and 5,127.98 is: 7,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.67 : 12,287.97 = 5,127.98 : x
  2. Step 2: Convert to fraction form
    8,904.67/12,287.97 = 5,127.98/x
  3. Step 3: Cross multiply
    8,904.67x = 12,287.97 × 5,127.98
  4. Step 4: Simplify right side
    8,904.67x = 63,012,402.96
  5. Step 5: Solve for x
    x = 63,012,402.96/8,904.67
  6. Step 6: Final answer
    x = 7,076.33

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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.