Home / 9,319.41-12,860.60-5,070.56

Finding the Fourth Proportional to 9,319.41, 12,860.60 and 5,070.56

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Solution

The fourth proportional to 9,319.41, 12,860.60 and 5,070.56 is: 6,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.41 : 12,860.60 = 5,070.56 : x
  2. Step 2: Convert to fraction form
    9,319.41/12,860.60 = 5,070.56/x
  3. Step 3: Cross multiply
    9,319.41x = 12,860.60 × 5,070.56
  4. Step 4: Simplify right side
    9,319.41x = 65,210,354.28
  5. Step 5: Solve for x
    x = 65,210,354.28/9,319.41
  6. Step 6: Final answer
    x = 6,997.26

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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.