Home / 6,968.12-9,615.51-3,985.02

Finding the Fourth Proportional to 6,968.12, 9,615.51 and 3,985.02

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Solution

The fourth proportional to 6,968.12, 9,615.51 and 3,985.02 is: 5,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.12 : 9,615.51 = 3,985.02 : x
  2. Step 2: Convert to fraction form
    6,968.12/9,615.51 = 3,985.02/x
  3. Step 3: Cross multiply
    6,968.12x = 9,615.51 × 3,985.02
  4. Step 4: Simplify right side
    6,968.12x = 38,317,999.66
  5. Step 5: Solve for x
    x = 38,317,999.66/6,968.12
  6. Step 6: Final answer
    x = 5,499.05

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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.