Home / 5,918.06-8,167.36-3,400.88

Finding the Fourth Proportional to 5,918.06, 8,167.36 and 3,400.88

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Solution

The fourth proportional to 5,918.06, 8,167.36 and 3,400.88 is: 4,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.06 : 8,167.36 = 3,400.88 : x
  2. Step 2: Convert to fraction form
    5,918.06/8,167.36 = 3,400.88/x
  3. Step 3: Cross multiply
    5,918.06x = 8,167.36 × 3,400.88
  4. Step 4: Simplify right side
    5,918.06x = 27,776,211.28
  5. Step 5: Solve for x
    x = 27,776,211.28/5,918.06
  6. Step 6: Final answer
    x = 4,693.47

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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.