Home / 9,071.76-12,519.06-5,297.52

Finding the Fourth Proportional to 9,071.76, 12,519.06 and 5,297.52

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Solution

The fourth proportional to 9,071.76, 12,519.06 and 5,297.52 is: 7,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.76 : 12,519.06 = 5,297.52 : x
  2. Step 2: Convert to fraction form
    9,071.76/12,519.06 = 5,297.52/x
  3. Step 3: Cross multiply
    9,071.76x = 12,519.06 × 5,297.52
  4. Step 4: Simplify right side
    9,071.76x = 66,319,970.73
  5. Step 5: Solve for x
    x = 66,319,970.73/9,071.76
  6. Step 6: Final answer
    x = 7,310.60

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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.