Home / 9,071.87-12,519.50-5,297.45

Finding the Fourth Proportional to 9,071.87, 12,519.50 and 5,297.45

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Solution

The fourth proportional to 9,071.87, 12,519.50 and 5,297.45 is: 7,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.87 : 12,519.50 = 5,297.45 : x
  2. Step 2: Convert to fraction form
    9,071.87/12,519.50 = 5,297.45/x
  3. Step 3: Cross multiply
    9,071.87x = 12,519.50 × 5,297.45
  4. Step 4: Simplify right side
    9,071.87x = 66,321,336.19
  5. Step 5: Solve for x
    x = 66,321,336.19/9,071.87
  6. Step 6: Final answer
    x = 7,310.66

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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.