Home / 9,319.26-12,860.82-5,070.60

Finding the Fourth Proportional to 9,319.26, 12,860.82 and 5,070.60

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Solution

The fourth proportional to 9,319.26, 12,860.82 and 5,070.60 is: 6,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.26 : 12,860.82 = 5,070.60 : x
  2. Step 2: Convert to fraction form
    9,319.26/12,860.82 = 5,070.60/x
  3. Step 3: Cross multiply
    9,319.26x = 12,860.82 × 5,070.60
  4. Step 4: Simplify right side
    9,319.26x = 65,212,073.89
  5. Step 5: Solve for x
    x = 65,212,073.89/9,319.26
  6. Step 6: Final answer
    x = 6,997.56

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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.